Question

factories 3(2a-b)2-5(2a-b)-8​

Answer 1

Answer:

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Answer 2

Answer:

Hence the answer is

$(6a - 3b - 8)(2a - b + 1)$

Step-by-step explanation:

$3( {2a - b)}^{2} - 5(2a - b) - 8 \\ let \: \: \: \: \: \: \: (2a - b )= x \\ 3 {x }^{2} - 5x - 8 \\ 3 {x}^{2} + 3x - 8x - 8 \\ 3x(x + 1) - 8(x + 1) \\ (3x - 8)( x + 1) \\ put \: the \: value \: of \: x \: \\( 3(2a - b) - 8)(2a - b + 1) \\ (6a - 3b - 8)(2a - b + 1)$