8x^2-4-3x^2+6=30

Solution for 8x^2-4-3x^2+6=30 equation:

Simplifying
8x2 + -4 + -3x2 + 6 = 30

Reorder the terms:
-4 + 6 + 8x2 + -3x2 = 30

Combine like terms: -4 + 6 = 2
2 + 8x2 + -3x2 = 30

Combine like terms: 8x2 + -3x2 = 5x2
2 + 5x2 = 30

Solving
2 + 5x2 = 30

Solving for variable 'x'.

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

Add '-2' to each side of the equation.
2 + -2 + 5x2 = 30 + -2

Combine like terms: 2 + -2 = 0
0 + 5x2 = 30 + -2
5x2 = 30 + -2

Combine like terms: 30 + -2 = 28
5x2 = 28

Divide each side by '5'.
x2 = 5.6

Simplifying
x2 = 5.6

Take the square root of each side:
x = {-2.366431913, 2.366431913}