z^2+2-15=

Solution for z^2+2-15= equation:

Simplifying
z2 + 2 + -15 = 0

Reorder the terms:
2 + -15 + z2 = 0

Combine like terms: 2 + -15 = -13
-13 + z2 = 0

Solving
-13 + z2 = 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 + z2 = 0 + 13

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

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

Simplifying
z2 = 13

Take the square root of each side:
z = {-3.605551275, 3.605551275}