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Solve for x (complex solution)
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0.443556+0.999^{2}=1x^{2}+1.5
Calculate 0.666 to the power of 2 and get 0.443556.
0.443556+0.998001=1x^{2}+1.5
Calculate 0.999 to the power of 2 and get 0.998001.
1.441557=1x^{2}+1.5
Add 0.443556 and 0.998001 to get 1.441557.
1x^{2}+1.5=1.441557
Swap sides so that all variable terms are on the left hand side.
1x^{2}=1.441557-1.5
Subtract 1.5 from both sides.
1x^{2}=-0.058443
Subtract 1.5 from 1.441557 to get -0.058443.
x^{2}=\frac{-0.058443}{1}
Divide both sides by 1.
x^{2}=\frac{-58443}{1000000}
Expand \frac{-0.058443}{1} by multiplying both numerator and the denominator by 1000000.
x^{2}=-\frac{58443}{1000000}
Fraction \frac{-58443}{1000000} can be rewritten as -\frac{58443}{1000000} by extracting the negative sign.
x=\frac{11\sqrt{483}i}{1000} x=-\frac{11\sqrt{483}i}{1000}
The equation is now solved.
0.443556+0.999^{2}=1x^{2}+1.5
Calculate 0.666 to the power of 2 and get 0.443556.
0.443556+0.998001=1x^{2}+1.5
Calculate 0.999 to the power of 2 and get 0.998001.
1.441557=1x^{2}+1.5
Add 0.443556 and 0.998001 to get 1.441557.
1x^{2}+1.5=1.441557
Swap sides so that all variable terms are on the left hand side.
1x^{2}+1.5-1.441557=0
Subtract 1.441557 from both sides.
1x^{2}+0.058443=0
Subtract 1.441557 from 1.5 to get 0.058443.
x^{2}+0.058443=0
Reorder the terms.
x=\frac{0±\sqrt{0^{2}-4\times 0.058443}}{2}
This equation is in standard form: ax^{2}+bx+c=0. Substitute 1 for a, 0 for b, and 0.058443 for c in the quadratic formula, \frac{-b±\sqrt{b^{2}-4ac}}{2a}.
x=\frac{0±\sqrt{-4\times 0.058443}}{2}
Square 0.
x=\frac{0±\sqrt{-0.233772}}{2}
Multiply -4 times 0.058443.
x=\frac{0±\frac{11\sqrt{483}i}{500}}{2}
Take the square root of -0.233772.
x=\frac{11\sqrt{483}i}{1000}
Now solve the equation x=\frac{0±\frac{11\sqrt{483}i}{500}}{2} when ± is plus.
x=-\frac{11\sqrt{483}i}{1000}
Now solve the equation x=\frac{0±\frac{11\sqrt{483}i}{500}}{2} when ± is minus.
x=\frac{11\sqrt{483}i}{1000} x=-\frac{11\sqrt{483}i}{1000}
The equation is now solved.