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Simplifying
5x2 + 100 = 255
Reorder the terms:
100 + 5x2 = 255
Solving
100 + 5x2 = 255
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '-100' to each side of the equation.
100 + -100 + 5x2 = 255 + -100
Combine like terms: 100 + -100 = 0
0 + 5x2 = 255 + -100
5x2 = 255 + -100
Combine like terms: 255 + -100 = 155
5x2 = 155
Divide each side by '5'.
x2 = 31
Simplifying
x2 = 31
Take the square root of each side:
x = {-5.567764363, 5.567764363}
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