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Simplifying
5x2 + -8 = 39
Reorder the terms:
-8 + 5x2 = 39
Solving
-8 + 5x2 = 39
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '8' to each side of the equation.
-8 + 8 + 5x2 = 39 + 8
Combine like terms: -8 + 8 = 0
0 + 5x2 = 39 + 8
5x2 = 39 + 8
Combine like terms: 39 + 8 = 47
5x2 = 47
Divide each side by '5'.
x2 = 9.4
Simplifying
x2 = 9.4
Take the square root of each side:
x = {-3.065941943, 3.065941943}
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