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Homework Statement
p=-x^2-2x+100 and p=8x+25, find p and x.
Homework Equations
The Attempt at a Solution
-x^2-2x+100=8x+125
-8x -8x
-100 -100
-x^2-10x=-75
x^2+10x=75
/10 /10
1/10x^2+x=75/10 i don't get how to get x alone on one side from here.