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Simplifying
0 = -5x2 + 225
Reorder the terms:
0 = 225 + -5x2
Solving
0 = 225 + -5x2
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '5x2' to each side of the equation.
0 + 5x2 = 225 + -5x2 + 5x2
Remove the zero:
5x2 = 225 + -5x2 + 5x2
Combine like terms: -5x2 + 5x2 = 0
5x2 = 225 + 0
5x2 = 225
Divide each side by '5'.
x2 = 45
Simplifying
x2 = 45
Take the square root of each side:
x = {-6.708203933, 6.708203933}
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