Solve for C
C=20h\left(5h+12\right)
Solve for h (complex solution)
h=\frac{\sqrt{C+144}}{10}-\frac{6}{5}
h=-\frac{\sqrt{C+144}}{10}-\frac{6}{5}
Solve for h
h=\frac{\sqrt{C+144}}{10}-\frac{6}{5}
h=-\frac{\sqrt{C+144}}{10}-\frac{6}{5}\text{, }C\geq -144
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C=100h^{2}+240h
Use the distributive property to multiply 20h by 5h+12.
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