3x^2-43=200

Solution for 3x^2-43=200 equation:

Simplifying
3x2 + -43 = 200

Reorder the terms:
-43 + 3x2 = 200

Solving
-43 + 3x2 = 200

Solving for variable 'x'.

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

Add '43' to each side of the equation.
-43 + 43 + 3x2 = 200 + 43

Combine like terms: -43 + 43 = 0
0 + 3x2 = 200 + 43
3x2 = 200 + 43

Combine like terms: 200 + 43 = 243
3x2 = 243

Divide each side by '3'.
x2 = 81

Simplifying
x2 = 81

Take the square root of each side:
x = {-9, 9}