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Simplifying
3x2 + 3 = 510
Reorder the terms:
3 + 3x2 = 510
Solving
3 + 3x2 = 510
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '-3' to each side of the equation.
3 + -3 + 3x2 = 510 + -3
Combine like terms: 3 + -3 = 0
0 + 3x2 = 510 + -3
3x2 = 510 + -3
Combine like terms: 510 + -3 = 507
3x2 = 507
Divide each side by '3'.
x2 = 169
Simplifying
x2 = 169
Take the square root of each side:
x = {-13, 13}
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