Раложить на множители 25x-16x^{3} 64x^{2}y-y3 18x^{2}-24xy+8y^{2}. Created by HELPMEEEEEes. algebra-ru

Раложить на множители 25x-16x^{3} 64x^{2}y-y3 18x^{2}-24xy+8y^{2}...

wnull $25x-16x^{3} = x(25-16x^2) = x(5-4x)(5+4x) \\ 
64x^{2}y-y^3 = y(64x^2-y^2) = y(8x-y)(8x+y) \\
18x^{2}-24xy+8y^{2} = 2(9x^2-12xy+4y^2) = 2(3x-2y)^2$

2 votes Thanks 1

HELPMEEEEEes спасибо братка,следитеща еще задание выложу xD

HELPMEEEEEes сда пиать?

MizoriesKun 25x-16x³=x*(25-16x²)=x*(5-4x)*(5+4x)

64x²y-y³=y*(64x²-y²)=y*(8x-y)*(8x+y)

18x²-24xy+8y²=2*(9x²-12xy+4y²)=2*(3x-2y)²= 2*(3x-2y)*(3x-2y)

1 votes Thanks 0

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