Question

If x + 5 is a factor of x2 + 2x – 15, then find the other factor

Answer 1

Answer:

2.5

Step-by-step explanation:

$2x + 2x - 15 = - 5$

$4x = - 5 + 15$

$4x = 10$

$x = \frac{10}{4}$

$x = 2.5$