7-3x^2=-1

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Solution for 7-3x^2=-1 equation:


Simplifying
7 + -3x2 = -1

Solving
7 + -3x2 = -1

Solving for variable 'x'.

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

Add '-7' to each side of the equation.
7 + -7 + -3x2 = -1 + -7

Combine like terms: 7 + -7 = 0
0 + -3x2 = -1 + -7
-3x2 = -1 + -7

Combine like terms: -1 + -7 = -8
-3x2 = -8

Divide each side by '-3'.
x2 = 2.666666667

Simplifying
x2 = 2.666666667

Take the square root of each side:
x = {-1.632993162, 1.632993162}

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