Evaluate
\left(-\frac{3y}{10}+12x\right)^{2}
Expand
-\frac{36xy}{5}+\frac{9y^{2}}{100}+144x^{2}
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144x^{2}-7.2xy+0.09y^{2}
Use binomial theorem \left(a-b\right)^{2}=a^{2}-2ab+b^{2} to expand \left(12x-0.3y\right)^{2}.
144x^{2}-7.2xy+0.09y^{2}
Use binomial theorem \left(a-b\right)^{2}=a^{2}-2ab+b^{2} to expand \left(12x-0.3y\right)^{2}.
Examples
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Matrix
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Simultaneous equation
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Limits
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