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Simplifying
6x2 + -45 = 84
Reorder the terms:
-45 + 6x2 = 84
Solving
-45 + 6x2 = 84
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '45' to each side of the equation.
-45 + 45 + 6x2 = 84 + 45
Combine like terms: -45 + 45 = 0
0 + 6x2 = 84 + 45
6x2 = 84 + 45
Combine like terms: 84 + 45 = 129
6x2 = 129
Divide each side by '6'.
x2 = 21.5
Simplifying
x2 = 21.5
Take the square root of each side:
x = {-4.636809248, 4.636809248}
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