Question

Factorise:12(y^2+7y)^2-8(y^2+7y)(2y-1)-15(2y-1)^2​​

Answer 1

Answer:

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Answer 2

Answer:

Factorise:12(y^2+7y)^2-18(y^2+7y)(2y-1)+10(y^2+7y)(2y-1)-15(2y-1)^2

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