2a(x-y)^2+4a^2(y-x)^3
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2a(x-y)^2+4a^2(y-x)^3
2a(x-y)^2+4a^2(y-x)^3
2a(x-y)^2+4a^2(y-x)^3
2a(x-y)^2+4a^2(y-x)^3
=2a(y-x)^2+4a^2(y-x)^3
=2a(x-y)^2(1+2a(y-x))
=2a(x-y)^2*(2ay-2ax+1)
2a(x-y)^2+4a^2(y-x)^3
=2a(x-y)^2-4a^2(x-y)^3
=2a(x-y)^2.(1-2a(x-y))
2a(x-y)²+4a²(y-x)³
=2a(x-y)²[1+2a(y-x)]
=2a(x-y)²(1+2ay-2ax)
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