Solve for y
y=\left(2x+3\right)^{3}
Solve for x
x=\frac{\sqrt[3]{y}-3}{2}
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y=27+54x+36x^{2}+8x^{3}
Use binomial theorem \left(a+b\right)^{3}=a^{3}+3a^{2}b+3ab^{2}+b^{3} to expand \left(3+2x\right)^{3}.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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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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