Question

If -5 is a root of the quadratic equation 2x +px-15=0

Answer 1

Answer:

2x+

Step-by-step explanation:

$2x + px - 15 = 0 \\ 2 ( - 5) + p( - 5) - 15 = 0 \\ - 10 - 5p - 15 = 0 \\ - 10 - 5p = 15 \\ -5p = 15 + 10 \\ - 5p = 25 \\ p = - 5$