Question

Which of the binomials below is a factor of this trinomial?

5x^2+15x-50

A. x+12
B. x-10
C. x-2
D. x+10

Answer 1

5x^2 + 15x-50

=5(x^2 + 3x - 10)

= 5(x + 5)(x - 2)

5, (x + 5), and (x - 2) are factors

Answer

C. x - 2