(3a-b)^2-4(3a-b)+4
this is a factorisation question
Answers
Answered by
13
Let (3a - b) = x
=> x^2 - 4x +4
=> x^2 - 2x - 2x +4
=> x(x-2) - 2(x-2)
=> (x-2) (x-2)
=> (3a - b - 2)(3a - b +2)
=> x^2 - 4x +4
=> x^2 - 2x - 2x +4
=> x(x-2) - 2(x-2)
=> (x-2) (x-2)
=> (3a - b - 2)(3a - b +2)
Answered by
8
Let (3a - b) = x
=> x^2 - 4x +4
=> x^2 - 2x - 2x +4
=> x(x-2) - 2(x-2)
=> (x-2) (x-2)
=> (3a - b - 2)(3a - b +2)
hope it helped ❤️
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