Question

x³-6x²y+3xy+y²;3x³+5x²y+3xy-y²;-4xy+2y²​

Answer 1

Answer:

Given expressions are: x3−2x2y+3xy2−y3  and  2x3−5xy2+3x2y−4y3

Required sum =(x3−2x2y+3xy2−y3)+(2x3−5xy2+3x2y−4y3)

=x3−2x2y+3xy2−y3+2x3−5xy2+3x2y−4y3

Combining like terms,

=x3+2x3−2x2y+3x2y+3xy2−5xy2−y3−4y3

=(1+2)x3+(−2+3)x

Step-by-step explanation:

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