Question

Which of the binomials below is a factor of this trinomial?
x^2 + 13x+42

Answer 1

x+6 and x+7

Explanation:

Given the quadratic equation;

x^2 + 13x + 42

Factorize

x^2+13x+42 = 0

x^2 + 7x + 6x + 42 = 0

x(x+7)+6(x+7) = 0

(x+6)(x+7) =0

Hence the required binomials are x+6 and x+7