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Solve for x (complex solution)
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4\times \left(\frac{3-x}{2}\right)^{2}+5-y=0
Multiply both sides of the equation by 4.
4\times \frac{\left(3-x\right)^{2}}{2^{2}}+5-y=0
To raise \frac{3-x}{2} to a power, raise both numerator and denominator to the power and then divide.
\frac{4\left(3-x\right)^{2}}{2^{2}}+5-y=0
Express 4\times \frac{\left(3-x\right)^{2}}{2^{2}} as a single fraction.
\frac{4\left(3-x\right)^{2}}{2^{2}}+\frac{\left(5-y\right)\times 2^{2}}{2^{2}}=0
To add or subtract expressions, expand them to make their denominators the same. Multiply 5-y times \frac{2^{2}}{2^{2}}.
\frac{4\left(3-x\right)^{2}+\left(5-y\right)\times 2^{2}}{2^{2}}=0
Since \frac{4\left(3-x\right)^{2}}{2^{2}} and \frac{\left(5-y\right)\times 2^{2}}{2^{2}} have the same denominator, add them by adding their numerators.
\frac{36-24x+4x^{2}+20-4y}{2^{2}}=0
Do the multiplications in 4\left(3-x\right)^{2}+\left(5-y\right)\times 2^{2}.
\frac{56-24x+4x^{2}-4y}{2^{2}}=0
Combine like terms in 36-24x+4x^{2}+20-4y.
\frac{56-24x+4x^{2}-4y}{4}=0
Calculate 2 to the power of 2 and get 4.
14-6x+x^{2}-y=0
Divide each term of 56-24x+4x^{2}-4y by 4 to get 14-6x+x^{2}-y.
-6x+x^{2}-y=-14
Subtract 14 from both sides. Anything subtracted from zero gives its negation.
x^{2}-y=-14+6x
Add 6x to both sides.
-y=-14+6x-x^{2}
Subtract x^{2} from both sides.
-y=-x^{2}+6x-14
The equation is in standard form.
\frac{-y}{-1}=\frac{-x^{2}+6x-14}{-1}
Divide both sides by -1.
y=\frac{-x^{2}+6x-14}{-1}
Dividing by -1 undoes the multiplication by -1.
y=x^{2}-6x+14
Divide -14+6x-x^{2} by -1.