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Which expression is equivalent to 2(3x+4)(x−1)(x−3)?

Which expression is equivalent to 2(3x+4)(x−1)(x−3)?-example-1

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2(3x+4)(x-1)(x-3)\implies 2(3x+4)(x^2-4x+3) \\\\\\ (6x+8)(x^2-4x+3)\implies \boxed{\begin{array}{rr} x^2-4x+3\\\\ * ~~ 6x+8\\\cline{1-1} 6x^3-24x^2+18x\\ + ~~8x^2-32x+24 \end{array}} \\\\\\ 6x^3+8x^2-24x^2-32x+18x+24\implies {\Large \begin{array}{llll} 6x^3-16x^2-14x+24 \end{array}}

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