Question

if (x-2)is a factor of x square+2x-a that find the value of a​

Answer 1

Answer:

8

Step-by-step explanation:

Given,

x-2=0

x=2

Now,

x² +2x-a

x=2

2² +2(2) -a= 0

4+4-a=0

8-a=0

a=8.

verification,

x²+2x-8=0

x²+ 4x -2x-8=0

x(x+4) -2(x+4) =0

(x+4) (x-2) =0

Answer 2

Step-by-step explanation:

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