x2 + 17xy + 72y2 solve this question
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Step-by-step explanation:
=x²+17xy+72y²
=(x²+9xy)+(8xy+72y²)
=x(x+9y)+8y(x+9y)
=(x+8y)+(x+9y)
=(X+8y) + (X+9y) --- ans.
(BY MID TERM SPLIT)
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