using quadratic formula solve the following quadratic equation for x:p²x²+(p²-q²)x-q²=0
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p²x²+(p²-q²)x-q²=0
p²x²+p²x-q²x-q²=0
p²x(x+1)-q²(x+1)=0
(x+1)(p²x-q²)=0
x-1=0 or p²x-q²=0
x=1 or x=q²/p²
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