Question

Simplify: 2√81 − 8 √216 + 15 √32 + √225 − √16

Answer 1

Hi.

2(81^1/2) - 8(216^1/2) + 15(32^1/2) + 225^1/2 - 16^1/2

=2×9 - 8×6(6^1/2) + 15×4(2^1/2) + 15-4

=18 - 48(6^1/2) + 60(2^1/2) + 11

=29 - 48(6^1/2) + 60(2^1/2)

Mark my ans as the brainliest