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Factor by grouping 7x²-4w+28x-xw
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Factor by grouping 7x²-4w+28x-xw

User Matthew Boynes
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7x^2-4w+28x-xw\implies (7x^2-xw)+(28x-4w) \\\\\\ x\underline{(7x-w)}+4\underline{(7x-w)}\implies \underline{(7x-w)}(x+4)

User Kundan Singh Chouhan
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