Question

z² - x / z + 2x x= 3 and z=5simplify the answer as much as possible

Answer 1

We have the following:

$\frac{z^2-x}{z+2x}$

x = 3

z = 5

replacing:

$\frac{5^2-3}{5+2\cdot3}=\frac{25-3}{5+6}=\frac{22}{11}=2$

The answer is 2