Algebra 1ChallengeExponents ShareExponents · Challenge problemSimplify (positive exponents only): (a−2b c−3a b−2c)−2\;\left(\dfrac{a^{-2}b\,c^{-3}}{a\,b^{-2}c}\right)^{-2}(ab−2ca−2bc−3)−2.Aa6c8b6\dfrac{a^{6}c^{8}}{b^{6}}b6a6c8Ba6c8b7\dfrac{a^{6}c^{8}}{b^{7}}b7a6c8Ca7c8b6\dfrac{a^{7}c^{8}}{b^{6}}b6a7c8Db6a6c8\dfrac{b^{6}}{a^{6}c^{8}}a6c8b6Check Show answer Walk through it step by step Practice more like this Review this concept