5a(x-y)^2+10a(y-x)^3

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5a(x-y)^2+10a(y-x)^35a(x-y)^2+10a(y-x)^35a(x-y)^2+10a(y-x)^35a(x-y)^2+10a(y-x)^3=5a(x-y)^2[1+2(y-x)]

5a(x-y)^2+10a(y-x)^3
5a(x-y)^2+10a(y-x)^3

5a(x-y)^2+10a(y-x)^3
5a(x-y)^2+10a(y-x)^3
=5a(x-y)^2[1+2(y-x)]
=5a(x-y)^2(2y-2x+1)

5a(x-y)²+10a(y-x)³
=5a(y-x)²+10a(y-x)³
=5a(y-x)²(1+2y-2x)