( 12 a - 0,3 c ) ^ { 2 }
Evaluate
\left(-\frac{3c}{10}+12a\right)^{2}
Expand
-\frac{36ac}{5}+\frac{9c^{2}}{100}+144a^{2}
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144a^{2}-7,2ac+0,09c^{2}
Use binomial theorem \left(p-q\right)^{2}=p^{2}-2pq+q^{2} to expand \left(12a-0,3c\right)^{2}.
144a^{2}-7,2ac+0,09c^{2}
Use binomial theorem \left(p-q\right)^{2}=p^{2}-2pq+q^{2} to expand \left(12a-0,3c\right)^{2}.
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