(1) 36 (x + y) quadratic-49 (X-Y) quadratic (2) (x + y) quadratic / 4 - (X-Y) quadratic / 4

RELATED INFORMATIONS

• 1. When factoring a quadratic trinomial, student a misinterprets the coefficient of the first term and decomposes it into 2 (x-1) (X-9), while student B misinterprets the constant term and decomposes it into 2 (X-2) (x-4). Please judge the correct quadratic trinomial and decompose it correctly
• 2. When factoring a quadratic trinomial, student a misinterprets the coefficient of the first term and decomposes it into 2 (x-1) (X-9), while student B misinterprets the constant term and decomposes it into 2 (X-2) (x-4). Please judge the correct quadratic trinomial and decompose it correctly
• 3. How many integers are there between 1 and 100 that can decompose x ^ 2 + x-n into the product of two factors (). Choose a: 0 B: 1 C: 2 D: 9 e: 10
• 4. There are () integers n between 1 and 1990, which can make x 2 + x-3 n decompose into the product of two integral coefficients A. 1990B. 75C. 50D. 44
• 5. Given that x2 + ax-12 = 0 can be decomposed into the product of the first-order factors of two integral coefficients, then the number of qualified integers a is______ ．
• 6. Write a quadratic equation of one variable with quadratic coefficient 1 and two equal real roots
• 7. Finding the maximum or minimum value of quadratic trinomial 2x ^ 2 + 8x
• 8. If x ^ 2 + 2 (M + 3) x + m ^ 2 + 3 = 0 has two real roots a and B, what is the minimum value of (A-1) ^ 2 + (B-1) ^ 2?
• 9. If the quadratic equation x ^ 2 + 2 (M + 3) x + m ^ 2 + 3 = 0 has two real roots a and B, what is the minimum value of (A-1) ^ 2 + (B-1) ^ 2?
• 10. The coefficient of quadratic term of quadratic function f (x) is a. and the solution set of inequality f (x) > 2x is (- 1.3). If f (x) = - 7a has two equal real roots, find the analytic solution of F (x)
• 11. If the product of (x + m) and (x's square + MX + 3) does not contain the quadratic term of X, then the coefficient of the first term of X in the product is
• 12. If x is less than 2, what is the absolute value of 2x minus 5
• 13. It is known that the fourth binomial coefficient of the expansion of [(a-2b) to the nth power] is the largest, then the sum of the coefficients of the expansion is
• 14. Solving the quadratic equation x ^ 2 - | X-1 | - 1 = 0 with absolute value
• 15. In the expansion of (1 + 2x) 6, the coefficient of X4 is______ ．
• 16. If the coefficient sum of (x + A / x) (2x-1 / x) expansion term is 2, then the constant term is?
• 17. If the sum of the coefficients in the expansion of (x + ax) (2x − 1x) 5 is 2, then the constant term in the expansion is () A. -40B. -20C. 20D. 40
• 18. The term with the largest coefficient in the expansion of (1 + 2x) ^ 8
• 19. Factorization of 2x ^ 3-8x ^ 2 + X + 6 by undetermined coefficient method
• 20. In the expansion of (1 + 2x-x ^ 2) ^ 4, find the coefficient of x ^ 7?