What should be subtracted from
5y2-xy+2x2 to obtain
5x2+6y2+13xy ?
Answers
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Step-by-step explanation:
let the number be x
5y2-xy+2x2 - x =5x2+6y2+13xy
-x=5x2+6y2+13xy-(5y2-xy+2x2)
-x=5x2+6y2+13xy-5y2+xy-2x2
-x=5x2+6y2-5y2+13xy+xy-4
-x=5x2+1y2+14xy-4
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