Question

.If (x+1) is a factor of 2x^ + 2ax + 5x + 10 find a​

Answer 1

Answer:

a=-1

Step-by-step explanation:

because (x+1) is a factor of the equation .

x=-1

2(-1)+2(-1)a+5(-1)+10

-2-2a-6+10

-8+10-2a

2-2a=0

-2a=-2

a=-2/2

a=-1