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g(-5)=1/2(-5)^2-5
We move all terms to the left:
g(-5)-(1/2(-5)^2-5)=0
We multiply parentheses
-5g-(1/2(-5)^2-5)=0
We multiply all the terms by the denominator
-5g*2(-5)^2-5)-(1=0
We add all the numbers together, and all the variables
-5g*2(-5)^2=0
Wy multiply elements
-10g^2(-=0
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