1.

2xcube -x square+5x-2

Answer»

2x³ - 5x² + 5x - 2= -5x(x - 1) + 2(x³ - 1)= -5x(x - 1) + 2(x - 1)(x² + x + 1)= (x - 1)(2x² + 2x + 2 - 5x)= (x - 1)(2x²-3x+2)



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