Question

what should be added to x*2-xy+y*2 to get 2x*2+3xy​

Answer 1

Answer:

x*2+4xy-y*2 should be added to x*2-xy+y*2 to get 2x*2+3xy

Step-by-step explanation:

let C be the unknown number

x*2-xy+y*2+C = 2x*2+3xy

C = 2x*2+3xy-x*2+xy-y*2

C = x*2+4xy-y*2

hope it helps you

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