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Simplifying
-5x2 + 320 = 170
Reorder the terms:
320 + -5x2 = 170
Solving
320 + -5x2 = 170
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '-320' to each side of the equation.
320 + -320 + -5x2 = 170 + -320
Combine like terms: 320 + -320 = 0
0 + -5x2 = 170 + -320
-5x2 = 170 + -320
Combine like terms: 170 + -320 = -150
-5x2 = -150
Divide each side by '-5'.
x2 = 30
Simplifying
x2 = 30
Take the square root of each side:
x = {-5.477225575, 5.477225575}
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