Math, asked by seeddemocracy3750, 1 year ago

X square +6x+9-4y square factorise

Answers

Answered by farah4

7

X²+6x+9+4Y²=X²+2×3X+(3)²-4Y²
=(X+3)²-(2Y)²
=(X+3-2Y) (X+3+2Y)... Ans......

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