x^2+43-90=

Solution for x^2+43-90= equation:

Simplifying
x2 + 43 + -90 = 0

Reorder the terms:
43 + -90 + x2 = 0

Combine like terms: 43 + -90 = -47
-47 + x2 = 0

Solving
-47 + x2 = 0

Solving for variable 'x'.

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

Add '47' to each side of the equation.
-47 + 47 + x2 = 0 + 47

Combine like terms: -47 + 47 = 0
0 + x2 = 0 + 47
x2 = 0 + 47

Combine like terms: 0 + 47 = 47
x2 = 47

Simplifying
x2 = 47

Take the square root of each side:
x = {-6.8556546, 6.8556546}