Question

5x²-3xy+4y² what is the answer add karna ka ha​

Answer 1

Answer:

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Step-by-step explanation:

(5x2−3xy+4y2−9)+(7y2+5xy−2x2+12)=5x2−3xy+4y2−9+7y2+5xy−2x2+12=5x2−2x2+4y2+7y2+5xy−3xy+12−9=3x2+11y2+2xy+3