Square of factorization factor (x's square + 3x) - 8 (x's square + 3x) - 20
(x²+3x)²-8(x²+3x)-20
Let X & # 178; + 3x = a
a²-8x-20
=(a-10)(a+2)
=(x²+3x-10)(x²+3x+2)
=(x+5)(x-2)(x+1)(x+2)
RELATED INFORMATIONS
- 1. If the set a = {x | X & # 178; + 3x-4 & lt; 0, X ∈ r}, then what is the number of proper subsets of the set a ∩ Z,
- 2. A set a = {X & sup2; - 3x + 4 = 0, X ∈ r}, B = {x | (x + 1) (X & sup2; + 3x-4) = 0, X ∈ r}, and a proper subset P subset B
- 3. Given the set a = {x ∈ R | X & sup2; + 3x + 3 = O}, B = {x ∈ R | X & sup2; - 5x + 6 = 0}, a is contained in P and true in B, find the set P satisfying such condition
- 4. Given that the set a = {x belongs to R | ax2-3x + 2 = 0} (1), if a = an empty set, find the value range of real number a (2) is a single element set, find the value of a and set a (3) Finding the set M = {a belongs to R | A is not equal to an empty set
- 5. Given that there is only one element in the set a = {x | (A-1) x ^ 2 + 3x-2 = 0}, we can find the value of real number a
- 6. We know that the set a = {x belongs to R / ax ^ 2-3x + 2 = 0 The set a = {x belongs to R | ax ^ 2-3x + 2 = 0, a belongs to R}. 1. If a = empty set, find the value range of real number A. 2. If a is a single element set, find the value of real number a and a
- 7. Three sets a = {X / x ^ 2-3x + 2 = 0}, B = {X / x ^ 2-ax + A-1 = 0}, C = {X / x ^ 2-bx + 2 = 0}, if a is the proper subset of B, AUC = a is the real number a, does B exist? If yes, find out a, B. if not, explain the reason B is the true subset of A, I don't quite understand
- 8. Let u = R, a = {x | x ≥ 1}, B = {x | 0 < x < 5}, find (∁ UA) ∪ B and a ∩ (∁ UB)
- 9. Let u = R, a = {x | x > = 1}, B {x | 0
- 10. Let u = R, a = {x | x > 3}, B = {x | 5 < x < 8}, find a ∩ B, a ∪ B, Cub ∪, a ∩ cub, CUA ∪ cub
- 11. If the square of 3x (2a + B + 1) + the square of 5Y (a-2b-1) = 10 is a quadratic equation with respect to X and y, find a-b
- 12. First simplify, then evaluate: 2x2 (x-3 / 1y & # 178;) + (- 2x + 1y & # 178;), where x = - 2, y = 2 / 3
- 13. Given a = {x | x2-3x + 20}, if a ∪ B = B, then the value range of A
- 14. The known set a = {x | x It's cub!!!! Not CR B!!! Don't get it wrong
- 15. If a = {x | x square + 3x-10
- 16. The function f (x) = 2aX ^ 2 + 4ax + 1 / 3 is defined as R, and the value range of real number a is calculated?
- 17. Given that the domain of definition of function y = radical X & # 178; - 2aX + 2 is r, find the range of real number a
- 18. Given the complete set I = R, set a = {x | x ^ 2 + 3x + 2 = 0}, B = {x | x ^ 2 + (M + 1) x + M = 0}. If CIA intersection B = Φ, find the value of M
- 19. Let f (x) = x2-3x + 1, then f (a) - f (- a) is equal to =?, Urgent,,
- 20. Given the function f (3x) = 3x + 2, then f (x) is equal to