Mathematics
Senior High

このようになる解説お願いします🙇🏻‍♀️

4 (203 - 3x²-x+3) = 4(x-1)(x + 1)(x-3)

Answers

4{x^2(x-3)-(x-3)}
共通因数(x-3)をくくり出して
4(x-3)(x^2-1)
よって和と差の積から
4(x-1)(x+1)(x-3)

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