Question

Given that the trinomial x^2+ 11x + 28 has a factor of x +4, what is the other factor?

Answer 1

the other factor is (x+7)

Explanation:

Given x^2+11x+28

factor into

x^2+7x + 4x + 28

=x(x+7) + 4(x+7)

= (x+4)(x+7)

Answer: the other factor is (x+7)