Math, asked by rajan6167, 9 months ago

9(3x+1)²-4(x-1)²
factorise

Answers

Answered by Anonymous

1

9(3x+1)²-4(x-1)²

=> 9(9x²+6x+1)-4(x²-2x+1)

=> 81x²+54x+9-4x²+8x-4

=> 77x²+62x+5

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