The algebraic formula (a2-2ab + B2 + 5) (- A2 + 2ab-b2 + 5) is written in the form of (5 + m) (5-m), and m

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• 1. Given m = - 2Ab + B ^ 2-A ^ 2, n = a ^ 2 + B ^ 2-2ab, where a = - 1 / 3, find the value of the algebraic formula m - [n-2 (m-n)]
• 2. If the algebraic formula A ^ 2-3 / 2Ab + m is a complete square, then the expression of M is____
• 3. X2-x - (a2-a) factorization, Is the sum of the squares of X and the square of A,
• 4. How to factorize X2 - (a + A2) x + a3 < 0 How does it become (x-a) (x-a2) < 0
• 5. Let a = {X / x2 + 4x = 0}, B = {X / x2 + 2 (a + 1) x + A2-1 = 0}, if a ∩ B = B, find the value of A Give me a process
• 6. Let a {x | x2 + 4x = 0}, B = {x | x2 + (2a + 1) x + A2-1 = 0} If B is contained in a, find the value of A &If a is contained in B, find the value of A If a is contained in B, find the value of a? The answer is a = 1, - 1 is not OK
• 7. Let a = [x / x2 + 4x = 0}, B = {X / x2 + 2 (a + 1) + A2-1 = 0}. (1) if a ∩ B = B, find the value of A. (2) if a ∪ B = B, find the value of A X2 is the square of X, and A2 is also the square of A
• 8. Let a = {x | x2 + 4x = 0}, B = {x | x2 + 2 (a + 1) x + A2-1 = 0}, (1) if a ∩ B = B, find the value of A. (2) if a ∪ B = B, find the value of A
• 9. Given that f (x) is an even function and an increasing function on (- ∞, 0), and the solution set of F (2a ^ 2-3a + 2) 0, find the real number m, n Count it out
• 10. f(x)=[(3a+2)x+1]/(x-2a). If the image of the inverse function of F (x) coincides with the image of y = f (x), find a Another: why is the symmetry center of y = f (x) image (2a, 3A + 2)? How to find the center of symmetry of a function?
• 11. What conclusion can be drawn from a = 3. B = 2. And a = - 3. B = 2, the quadratic power of algebraic formula a minus 2Ab plus the quadratic power of B and the quadratic power of (a-b)?
• 12. (1) Given a = 3, B = 1, find the values of A2 + 2Ab + B2 and (a + b) 2; (2) please take another set of values of a and B and calculate the values of the algebraic expressions A2 + 2Ab + B2 and (a + b) 2. What conclusions can you draw from the calculation results?
• 13. When x takes what value, the difference between 2X-4 and 2x + 1 is positive?
• 14. It is known that AB is opposite to each other, CD is reciprocal to each other, and the absolute value of X is equal to 2. Find the value of formula (a + B + CD) △ X
• 15. ② Given that the value of the algebraic formula 2 (x2 + ax-y) - 2 (bx2 + 3x) - 5y-1 has nothing to do with the value of the letter X, we can find the value of 2 (a3-2b2-1) - 3 (a3-2b2-1)
• 16. If the value of polynomial (2 * x's square + ax-y + 6) - (2B * x's Square - 3x + 5y-1) has nothing to do with the value of letter X, find polynomial 3 (A's Square - 2ab-b's Square) We should use the ideas of junior one students! , find the value of polynomial 3 (the square of a - the square of 2ab-b) - (the square of 4 * a + the square of AB + b)
• 17. If the value of (2x2 + ax-y + 6) - 2 (bx2-3x + 5y-1) has nothing to do with the value of X, find the value of - 3 (A2 + 2ab-b2) - (4a2-5ab + B2)
• 18. Given that the value of the algebraic formula (4x2 + ax-y + 6) - (2bx2-2x + 5y-1) has nothing to do with the value of the letter X, find the algebraic formula 3 (a2-2ab-b2) - (4a2 + a)
• 19. What are the advantages of the verb past double + ed
• 20. 1. In the triangle ABC, if Sina - the absolute value of half + (the root of two-thirds 3-cosb) &# 178; = 0, find the angle C 2. In the triangle ABC, if Sina - the absolute value of 2 / 2 radical 3 + (3 / 3 radical 3-tanb) &# 178; = 0, find the angle C Angle A and angle B are acute angles