Question

factorise 3(x-2y) square +4(x-2y)-15​

Answer 1

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