7x^2-168=0

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Solution for 7x^2-168=0 equation:


Simplifying
7x2 + -168 = 0

Reorder the terms:
-168 + 7x2 = 0

Solving
-168 + 7x2 = 0

Solving for variable 'x'.

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

Add '168' to each side of the equation.
-168 + 168 + 7x2 = 0 + 168

Combine like terms: -168 + 168 = 0
0 + 7x2 = 0 + 168
7x2 = 0 + 168

Combine like terms: 0 + 168 = 168
7x2 = 168

Divide each side by '7'.
x2 = 24

Simplifying
x2 = 24

Take the square root of each side:
x = {-4.898979486, 4.898979486}

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