Solve for y
y=x^{2}-4
Solve for x (complex solution)
x=-\sqrt{y+4}
x=\sqrt{y+4}
Solve for x
x=\sqrt{y+4}
x=-\sqrt{y+4}\text{, }y\geq -4
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y+4=x^{2}
Add x^{2} to both sides. Anything plus zero gives itself.
y=x^{2}-4
Subtract 4 from both sides.
Examples
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Linear equation
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Matrix
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Simultaneous equation
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Differentiation
\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Integration
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Limits
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