How to factorize X2 - (a + A2) x + a3 < 0 How does it become (x-a) (x-a2) < 0
x2-(a+a2)x+a3<0
x2-(a+a2)x+[(-a)*(-a2)]<0
(x-a)(x-a2)<0
RELATED INFORMATIONS
- 1. 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
- 2. 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
- 3. 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
- 4. 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
- 5. 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
- 6. 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?
- 7. Given a ∈ R, f (x) = x2; 3x-a2-3a. (1) when a = 4, solve the inequality f (x) > 0 (2) Let a = [- 8, - 4], the solution set of inequality f (x) > 0 be B, if a &; B, find the value range of real number a
- 8. Let a = {x ∣ x2 + (2a-3) x-3a = 0} B = {x ∣ x2 + (A-3) x + a2-3a = 0} if a ≠ B, a ∩ B = Ф find a ∪ B
- 9. A set a = {x | x2 + (2a-3) x-3a = 0, X ∈ r}, B = {x | x2 + (A-3) x + a2-3a = 0, X ∈ r} satisfies a ≠ B, and a ∩ B ≠ & # 8709;, and a ∪ B is represented by an example
- 10. How to factorize x3-x2 + X + 1
- 11. X2-x - (a2-a) factorization, Is the sum of the squares of X and the square of A,
- 12. If the algebraic formula A ^ 2-3 / 2Ab + m is a complete square, then the expression of M is____
- 13. 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)]
- 14. The algebraic formula (a2-2ab + B2 + 5) (- A2 + 2ab-b2 + 5) is written in the form of (5 + m) (5-m), and m
- 15. 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)?
- 16. (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?
- 17. When x takes what value, the difference between 2X-4 and 2x + 1 is positive?
- 18. 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
- 19. 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)
- 20. 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)