7x^2-3=11

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Solution for 7x^2-3=11 equation:


Simplifying
7x2 + -3 = 11

Reorder the terms:
-3 + 7x2 = 11

Solving
-3 + 7x2 = 11

Solving for variable 'x'.

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

Add '3' to each side of the equation.
-3 + 3 + 7x2 = 11 + 3

Combine like terms: -3 + 3 = 0
0 + 7x2 = 11 + 3
7x2 = 11 + 3

Combine like terms: 11 + 3 = 14
7x2 = 14

Divide each side by '7'.
x2 = 2

Simplifying
x2 = 2

Take the square root of each side:
x = {-1.414213562, 1.414213562}

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