1.

Factorise 3(x-2y) square +4(x-2y)-15​

Answer»

Answer:

3x^2 +12y^2 - 12XY+ 4x-8y-15

Step-by-step explanation:

3(x-2y)^2 +4(x-2y)-15​

3(x^2 +4y^2 - 4XY) + 4x-8y-15

3x^2 +12y^2 - 12xy+ 4x-8y-15



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