Question

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

Answer 1

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)