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Simplifying
3x2 + 75 = 150
Reorder the terms:
75 + 3x2 = 150
Solving
75 + 3x2 = 150
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 + 3x2 = 150 + -75
Combine like terms: 75 + -75 = 0
0 + 3x2 = 150 + -75
3x2 = 150 + -75
Combine like terms: 150 + -75 = 75
3x2 = 75
Divide each side by '3'.
x2 = 25
Simplifying
x2 = 25
Take the square root of each side:
x = {-5, 5}
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