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Simplifying
45 + -4x2 = 0
Solving
45 + -4x2 = 0
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 + -4x2 = 0 + -45
Combine like terms: 45 + -45 = 0
0 + -4x2 = 0 + -45
-4x2 = 0 + -45
Combine like terms: 0 + -45 = -45
-4x2 = -45
Divide each side by '-4'.
x2 = 11.25
Simplifying
x2 = 11.25
Take the square root of each side:
x = {-3.354101966, 3.354101966}
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