5X^2-10=90

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Solution for 5X^2-10=90 equation:


Simplifying
5X2 + -10 = 90

Reorder the terms:
-10 + 5X2 = 90

Solving
-10 + 5X2 = 90

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 + 5X2 = 90 + 10

Combine like terms: -10 + 10 = 0
0 + 5X2 = 90 + 10
5X2 = 90 + 10

Combine like terms: 90 + 10 = 100
5X2 = 100

Divide each side by '5'.
X2 = 20

Simplifying
X2 = 20

Take the square root of each side:
X = {-4.472135955, 4.472135955}

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