Math, asked by lailgurpreet38, 7 months ago

.If (x+1) is a factor of 2x2 + 2ax + 5x + 10 find a

Answers

Answered by sneha290306

0

Answer:

-8.5

Step-by-step explanation:

Given that (x+1) is a factor of 2x2+2ax+5x+10

So we will substitute 1 in the above polynomial in place of x

P(1) = 2(1)2+2a(1)+5(1)+10

= 2+2a+15

=17+2a

- 2a =17

a = 17/-2

a = - 8.5

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