Tolong dibantu ya kawan-kawan

[tex] \frac{( {a}^{4} {b}^{5} {c}^{2} ) {}^{3} }{( {a}^{6} {b}^{4} {c}^{ - 3}) {}^{2} } \\ = \frac{ {a}^{12} {b}^{15} {c}^{6} }{ {a}^{12} {b}^{8} {c}^{ - 6} } \\ = {b}^{7} {c}^{12} [/tex]
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