(27+21)27=x^2

Solution for (27+21)27=x^2 equation:

Simplifying
(27 + 21) * 27 = x2

Combine like terms: 27 + 21 = 48
(48) * 27 = x2

Multiply 48 * 27
1296 = x2

Solving
1296 = x2

Solving for variable 'x'.

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

Add '-1x2' to each side of the equation.
1296 + -1x2 = x2 + -1x2

Combine like terms: x2 + -1x2 = 0
1296 + -1x2 = 0

Add '-1296' to each side of the equation.
1296 + -1296 + -1x2 = 0 + -1296

Combine like terms: 1296 + -1296 = 0
0 + -1x2 = 0 + -1296
-1x2 = 0 + -1296

Combine like terms: 0 + -1296 = -1296
-1x2 = -1296

Divide each side by '-1'.
x2 = 1296

Simplifying
x2 = 1296

Take the square root of each side:
x = {-36, 36}