Simplify 12c 3 c 10 ) 21 July 8, 2019 16 32 64 128 Simplify 12c 3 c 10 )+ 21 Simplify 12c 3 c 10 )+ 21 responses 12c(3c + 4) - (6c + 5)^212c(3c+4)−(6c+5) 2 2) (12c * b ^ 2)/(9b * c ^ 3) (12c * b ^ 2)/(9b * c ^ 3)