Math, asked by rsaharan840, 2 months ago

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

Answers

Answered by GWThunder

0

Answer:

I don't know

Step-by-step explanation:

plz answer my question

Answered by jasleenkaurclass7

0

Answer:

Given f(x)=2x

2

+2ax+5x+10

g(x)=x+a

x+a=0

x=−a

f(−a)=2(−a)

2

+2a(−a)+5(−a)+10

⇒+2a

2

−2a

2

−5a+10=0

⇒5a=10

⇒a=

5

10

∴a=2

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