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[latex] \frac{ c^{2}+2c^{2}-15c}{ 2c^{3}-2c^{2}+12c-5c^{2}+10c-30 }[/latex][latex] \frac{ c^{2}+2c^{2}-15c}{ 2c^{3}-2c^{2}+12c-5c^{2}+10c-30 }[/latex][latex] \frac{2c+6+3c-21+2c^{2}-4c}{ c^{2}+c-6} [/latex][latex] \frac{2c+6+3c-21+2c^{2}-4c}{ c^{2}+c-6} [/latex]([latex] \frac{2}{c-2} [/latex] + [latex] \frac{3(c-7)}{ c^{2}+c-6} [/latex] + [latex] \frac{2c}{c+3} [/latex]) *[latex] \frac{c}{2c-5} [/latex] = ([latex] \frac{2(c+3)}{ c^{2}+c-6 } [/latex] + [latex] \frac{3c-21}{ c^{2}+c-6 } [/latex][latex] \frac{3c-21}{ c^{2}+c-6 } [/latex] + [latex] \frac{2c(c-2)}{ c^{2}+c-6 } [/latex][latex] \frac{2c(c-2)}{ c^{2}+c-6 } [/latex]) * [latex] \frac{c}{2c-5} [/latex][latex] \frac{c}{2c-5} [/latex] = [latex] \frac{2c+6+3c-21+2c^{2}-4c}{ c^{2}+c-6} [/latex][latex] \frac{2c+6+3c-21+2c^{2}-4c}{ c^{2}+c-6} [/latex] * [latex] \frac{c}{2c-5} [/latex][latex] \frac{c}{2c-5} [/latex] = [latex] \frac{c+2c^{2}-15}{ c^{2}-c+6} * \frac{c}{2c-5} [/latex][latex] \frac{c+2c^{2}-15}{ c^{2}-c+6} * \frac{c}{2c-5} [/latex] = [latex] \frac{ c^{2}+2c^{2}-15c}{ 2c^{3}-2c^{2}+12c-5c^{2}+10c-30 }[/latex][latex] \frac{ c^{2}+2c^{2}-15c}{ 2c^{3}-2c^{2}+12c-5c^{2}+10c-30 }[/latex] = [latex] \frac{ c^{2}+2c^{2}-15c}{ 2c^{3}- 7c^{2}+13c-30}[/latex][latex] \frac{ c^{2}+2c^{2}-15c}{ 2c^{3}- 7c^{2}+13c-30}[/latex].