Question

Select the two binomials that are factors of this trinomial.

x^2+4x-32
a. x-8
b. x+8
c. x+4
d. x-4

Answer 1

b and d

Explanation:

Sum = 4

Product = -32

Factors = 8 , (-4)

x² + 4x - 32 = x² + 8x - 4x - 4*8

= x(x + 8) - 4(x + 8)

= (x + 8)(x - 4)