Simplify completely 3x 2 21x 54 x 2 3x 54


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Simplify completely 3x^2+21x-54 over x^2+3x-54

Answered by wiki @


\bf \cfrac{3x^2+21x-54}{x^2+3x-54}\implies \cfrac{3(x^2+7x-18)}{x^2+3x-54}\implies \cfrac{3\underline{(x+9)}(x-2)}{\underline{(x+9)}(x-6)}
\\\\\\
\cfrac{3(x-2)}{x-6}

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