(3x^2)-(8*8)=49

Solution for (3x^2)-(8*8)=49 equation:

Simplifying
(3x2) + -1(8 * 8) = 49

Multiply 8 * 8
(3x2) + -1(64) = 49

Multiply -1 * 64
(3x2) + -64 = 49

Reorder the terms:
-64 + (3x2) = 49

Solving
-64 + (3x2) = 49

Solving for variable 'x'.

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

Add '64' to each side of the equation.
-64 + 64 + (3x2) = 49 + 64

Combine like terms: -64 + 64 = 0
0 + (3x2) = 49 + 64
(3x2) = 49 + 64

Combine like terms: 49 + 64 = 113
(3x2) = 113

Divide each side by '3'.
x2 = 37.66666667

Simplifying
x2 = 37.66666667

Take the square root of each side:
x = {-6.137317547, 6.137317547}