Answer :
Answer:
C
Step-by-step explanation:
Given
x² + 5x - 36
Consider the factors of the constant term (- 36) which sum to give the coefficient of the x- term (+ 5)
The factors are + 9 and - 4 , since
9 × - 4 = - 36 and 9 - 4 = + 5, thus
x² + 5x - 36 = (x + 9)(x - 4)
Thus (x + 9) is a factor