17z^2-13=0

Solution for 17z^2-13=0 equation:

Simplifying
17z2 + -13 = 0

Reorder the terms:
-13 + 17z2 = 0

Solving
-13 + 17z2 = 0

Solving for variable 'z'.

Move all terms containing z to the left, all other terms to the right.

Add '13' to each side of the equation.
-13 + 13 + 17z2 = 0 + 13

Combine like terms: -13 + 13 = 0
0 + 17z2 = 0 + 13
17z2 = 0 + 13

Combine like terms: 0 + 13 = 13
17z2 = 13

Divide each side by '17'.
z2 = 0.7647058824

Simplifying
z2 = 0.7647058824

Take the square root of each side:
z = {-0.874474632, 0.874474632}