Evaluate
\left(3b-2a\right)^{2}
Expand
4a^{2}-12ab+9b^{2}
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4a^{2}-12ab+9b^{2}
Use binomial theorem \left(p+q\right)^{2}=p^{2}+2pq+q^{2} to expand \left(-2a+3b\right)^{2}.
4a^{2}-12ab+9b^{2}
Use binomial theorem \left(p+q\right)^{2}=p^{2}+2pq+q^{2} to expand \left(-2a+3b\right)^{2}.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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y = 3x + 4
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Matrix
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Simultaneous equation
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Differentiation
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Integration
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Limits
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