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Ninjoy:
If x*x+2x-35=0 then x=?
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alones:
Simplify both sides of the equation. \( x^2+2x−35=0\) Since \(xx=x^2\)
alones:
Than factor left side \((x−5)(x+7)=0\)
alones:
now set factors so they would equal \(0\) \(x−5=0~ or~ x+7=0\)
alones:
\(x=5 ~or~ x=−7\) would be your final answer (:
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