Question

Add the following expression x3-2x2y+3×y2-y3​

Answer 1

Answer:

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Step-by-step explanation:

Given x3 -2x2y + 3xy2– y3, 2x3– 5xy2 + 3x2y – 4y3

Collecting positive and negative like terms together, we get

= x3 +2x3 – 2x2y + 3x2y + 3xy2 – 5xy2 – y3– 4y3

= 3x3 + x2y – 2xy2 – 5y3