Math, asked by pulkit2071, 10 months ago

factorize the following​

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Answered by abhisheksolanki62
1

Step-by-step explanation:

Let

2a - 3 = X and a-1 = Y

now, according to question,

4 {x}^{2}  - 3xy - 7 {y}^{2}   \\  = 4 {x }^{2}  + 4xy - 7xy - 7 {y }^{2}  \\  = 4x(x + y) - 7y(x + y)  \\  = (4x - 7y)(x + y)

now \: put \: value \: of \: x \: \: and \: y \:  \\ in \: above \: expressions \: we \: get

 = (a - 5)(3a - 4)

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