Question

Simplify = 4√81-8 3√216+ 5√32+√225

Answer 1

Answer:

18

Step-by-step explanation:

4√81-8+3√216+5√32+√225

=4√(3×3×3×3)-8+3√(6×6×6)+5√(2×2×2×2×2)+√(15×15)

=3-8+6+2+15

=15+6+3+2-8

=21+5-8

=26-8

=18