Evaluate
\left(9y-12c+16\right)^{2}
Expand
81y^{2}-216cy+288y+144c^{2}-384c+256
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81y^{2}-216cy+288y+144c^{2}-384c+256
Square 16-12c+9y.
81y^{2}-216cy+288y+144c^{2}-384c+256
Square 16-12c+9y.
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