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Simplifying
5x2 + -55 + 30 = 0
Reorder the terms:
-55 + 30 + 5x2 = 0
Combine like terms: -55 + 30 = -25
-25 + 5x2 = 0
Solving
-25 + 5x2 = 0
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '25' to each side of the equation.
-25 + 25 + 5x2 = 0 + 25
Combine like terms: -25 + 25 = 0
0 + 5x2 = 0 + 25
5x2 = 0 + 25
Combine like terms: 0 + 25 = 25
5x2 = 25
Divide each side by '5'.
x2 = 5
Simplifying
x2 = 5
Take the square root of each side:
x = {-2.236067978, 2.236067978}
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