4x^2-10=390

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Solution for 4x^2-10=390 equation:


Simplifying
4x2 + -10 = 390

Reorder the terms:
-10 + 4x2 = 390

Solving
-10 + 4x2 = 390

Solving for variable 'x'.

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

Add '10' to each side of the equation.
-10 + 10 + 4x2 = 390 + 10

Combine like terms: -10 + 10 = 0
0 + 4x2 = 390 + 10
4x2 = 390 + 10

Combine like terms: 390 + 10 = 400
4x2 = 400

Divide each side by '4'.
x2 = 100

Simplifying
x2 = 100

Take the square root of each side:
x = {-10, 10}

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