Question

expand v(3x-1/2 y+2z)^2​

Answer 1

Step-by-step explanation:

(3x - 1/2y + 2z)^2

(x+y+z)^2= x^2+y^2+z^2+2xy+2xz+2yz

(3x)^2 + (-1/2y)^2 + (2z)^2 + 2(3x)(-1/2y)+ 2(-1/2y)(2z) + 2(3x)(2z)

9x^2 + 1/4y^2 + 4z^2 - 3x/y - 1/2yz+12xz