Answer:
2•5
Explanation:
substitute (-5x) in x
g(x)=-5x×-5x-(-5x
-5x=25x2+5x
=25x2+5x+5x
=25x2+10x
-25x2=10x
=-25x2/10x
=-2•5x
-x=-2•5
-x/-1=-2•5\-1
x=2•5
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