If u+vw=0, then find the value of (u+vw)?

If u+vw=0, then find the value of (u+vw).

1 Answer
Jul 17, 2018

See a solution process below:

Explanation:

First, solve for w

u+vw=0

u+vw+w=0+w

u+v0=w

u+v=w

(u+v)2=(w)2

(u)2+2uv+(v)2=w

u+2uv+v=w

Substituting the left side of the equation for the w in the expression gives:

(u+vw) becomes:

(u+v(u+2uv+v))

(u+vu2uvv)

(uu+vv2uv)

(0+02uv)

2uv