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Simplifying
5x2 + -39 + -8 = 0
Reorder the terms:
-39 + -8 + 5x2 = 0
Combine like terms: -39 + -8 = -47
-47 + 5x2 = 0
Solving
-47 + 5x2 = 0
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '47' to each side of the equation.
-47 + 47 + 5x2 = 0 + 47
Combine like terms: -47 + 47 = 0
0 + 5x2 = 0 + 47
5x2 = 0 + 47
Combine like terms: 0 + 47 = 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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