3x^2-4=5

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Solution for 3x^2-4=5 equation:


Simplifying
3x2 + -4 = 5

Reorder the terms:
-4 + 3x2 = 5

Solving
-4 + 3x2 = 5

Solving for variable 'x'.

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

Add '4' to each side of the equation.
-4 + 4 + 3x2 = 5 + 4

Combine like terms: -4 + 4 = 0
0 + 3x2 = 5 + 4
3x2 = 5 + 4

Combine like terms: 5 + 4 = 9
3x2 = 9

Divide each side by '3'.
x2 = 3

Simplifying
x2 = 3

Take the square root of each side:
x = {-1.732050808, 1.732050808}

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