Question

simplify 2*cube root 40 + 3*cube root 625 + 4*cube root 320​

Answer 1

     
√3 + 3625
√3 + 4320
√3=22×2×2×5
√3 + 35×5×5×5
√3 + 42×2×2×2×2×2×5
√3=45√3 + 155√3 + 165√3 =355√3