Question

Expand (3x-2y+4) (3x-2y-4)

Answer 1

Explanation:

=(3x-2y+4)^2.

=(3x-2y)^2+4^2

=9x^2+4y^2-12xy+16

We get this solution by the formula (x-y)^2= x^2+x^2-2xy

Hope it helps you.... pls mark it as the brainliest answer..