Solve for y
y=\left(x-0.5\right)^{2}
Solve for x (complex solution)
x=-\sqrt{y}+0.5
x=\sqrt{y}+0.5
Solve for x
x=-\sqrt{y}+0.5
x=\sqrt{y}+0.5\text{, }y\geq 0
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y=x^{2}-x+0.25
Use binomial theorem \left(a-b\right)^{2}=a^{2}-2ab+b^{2} to expand \left(x-0.5\right)^{2}.
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