Question

what should be added to x2+3xy+3y2 to get 7c2-5xy+2y2​

Answer 1

Answer:

let's subtract them to get the answer

x²+3xy+3y²-7c²-5xy+2y²

x²-7c²+3xy-5xy+3y²+2y²

x²-7c²-2xy+5y² ans

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