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Simplifying
5x2 + -75 = 0
Reorder the terms:
-75 + 5x2 = 0
Solving
-75 + 5x2 = 0
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '75' to each side of the equation.
-75 + 75 + 5x2 = 0 + 75
Combine like terms: -75 + 75 = 0
0 + 5x2 = 0 + 75
5x2 = 0 + 75
Combine like terms: 0 + 75 = 75
5x2 = 75
Divide each side by '5'.
x2 = 15
Simplifying
x2 = 15
Take the square root of each side:
x = {-3.872983346, 3.872983346}
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