Question

$$(x+y+z)(x+y+z+)$$

Answer

$$(x+y+z)^2$$

Solution


Simplify.
\[(x+y+z)(x+y+z)\]
Use Product Rule: \({x}^{a}{x}^{b}={x}^{a+b}\).
\[{(x+y+z)}^{2}\]