Question

3(x+1) (x-1) = (3x+1)(x-2)+9

Answer 1

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3(x+1) (x-1) = (3x+1)(x-2)+9

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after solving this equation we get x=2

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Answer 2

Answer:

$3( {x}^{2} - 1) = 3 {x}^{2} - 5x - 2 + 9$

$3 {x}^{2} - 3 = 3 {x}^{2} - 5x + 7$

$5x = 10$

$x = 2 \: \: \: \: ans.$