7x^2+4=8

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Solution for 7x^2+4=8 equation:


Simplifying
7x2 + 4 = 8

Reorder the terms:
4 + 7x2 = 8

Solving
4 + 7x2 = 8

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 + 7x2 = 8 + -4

Combine like terms: 4 + -4 = 0
0 + 7x2 = 8 + -4
7x2 = 8 + -4

Combine like terms: 8 + -4 = 4
7x2 = 4

Divide each side by '7'.
x2 = 0.5714285714

Simplifying
x2 = 0.5714285714

Take the square root of each side:
x = {-0.755928946, 0.755928946}

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