Question

If "-2" is a zero of the polynomial p(x) = 2x^ -x +a​

Answer 1

Step-by-step explanation:

p(-2)=2(-2)²-(-2)+a

0=-8+4+a

a=4

Answer 2

Answer:

substitute -2 in place of x

p(x) = 2(-2)^ 2 - (-2) +a

2(4) + 2 + a

8+2 +a

a + 10

a = -10