7x^2-4=248

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Solution for 7x^2-4=248 equation:


Simplifying
7x2 + -4 = 248

Reorder the terms:
-4 + 7x2 = 248

Solving
-4 + 7x2 = 248

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 = 248 + 4

Combine like terms: -4 + 4 = 0
0 + 7x2 = 248 + 4
7x2 = 248 + 4

Combine like terms: 248 + 4 = 252
7x2 = 252

Divide each side by '7'.
x2 = 36

Simplifying
x2 = 36

Take the square root of each side:
x = {-6, 6}

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