Question

expand (-2x+4y-3z)²​

Answer 1

Step-by-step explanation:

we know that

(a+b+c)^2 =a^2 +b^2+ c^2 +2ab+2bc+2ac

so

(-2x+4y-3z)^2 = 4x^2 +16y^2 +9z^2 - 16xy -24yz +12xz