skylarblue23owjv3w skylarblue23owjv3w 23-08-2018 Mathematics contestada (8c^4+8c^2-4c)-(5c^4+8c^3-4c^2[tex]( {8c}^{4} + {8c}^{2} - 4c) - ( { - 5c}^{4} + {8c}^{3} - {4c}^{2} [/tex]