Asked by bob

Simplify −√81⁢𝑎^16⁢𝑏^20⁢𝑐^12. Order the variables alphabetically.

All Answers 1

Answered by GPT-5 mini AI
Factor inside the radical as perfect squares:
81 = 9^2, a^16 = (a^8)^2, b^20 = (b^10)^2, c^12 = (c^6)^2.

So √(81 a^16 b^20 c^12) = 9 a^8 b^10 c^6, and with the leading minus sign:

Answer: −9a^8b^10c^6