(3x^2+4)-49=0

Solution for (3x^2+4)-49=0 equation:

Simplifying
(3x2 + 4) + -49 = 0

Reorder the terms:
(4 + 3x2) + -49 = 0

Remove parenthesis around (4 + 3x2)
4 + 3x2 + -49 = 0

Reorder the terms:
4 + -49 + 3x2 = 0

Combine like terms: 4 + -49 = -45
-45 + 3x2 = 0

Solving
-45 + 3x2 = 0

Solving for variable 'x'.

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

Add '45' to each side of the equation.
-45 + 45 + 3x2 = 0 + 45

Combine like terms: -45 + 45 = 0
0 + 3x2 = 0 + 45
3x2 = 0 + 45

Combine like terms: 0 + 45 = 45
3x2 = 45

Divide each side by '3'.
x2 = 15

Simplifying
x2 = 15

Take the square root of each side:
x = {-3.872983346, 3.872983346}