5x^2-87=38

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Solution for 5x^2-87=38 equation:


Simplifying
5x2 + -87 = 38

Reorder the terms:
-87 + 5x2 = 38

Solving
-87 + 5x2 = 38

Solving for variable 'x'.

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

Add '87' to each side of the equation.
-87 + 87 + 5x2 = 38 + 87

Combine like terms: -87 + 87 = 0
0 + 5x2 = 38 + 87
5x2 = 38 + 87

Combine like terms: 38 + 87 = 125
5x2 = 125

Divide each side by '5'.
x2 = 25

Simplifying
x2 = 25

Take the square root of each side:
x = {-5, 5}

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