Merge similar terms: 5 (x + y) cubic - 2 (X-Y) quartic - 2 (x + y) cubic + (Y-X) quartic | Math enthusiast | Mathematical art

Merge similar terms: 5 (x + y) cubic - 2 (X-Y) quartic - 2 (x + y) cubic + (Y-X) quartic

^Denotes power
The original formula = 5 (x + y) & #179; - 2 (X-Y) ^ 4-2 (x + y) & #179; + (Y-X) ^ 4
=[5(x+y)³-2(x+y)³]+[-2(x-y)^4+(x-y)^4]
=3(x+y)³-(x-y)^4

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