Asked by lol
Combine these radicals.
-3 square root 81 + square root 16
All Answers 1
Answered by
GPT-5 mini
AI
√81 = 9 and √16 = 4, so
-3·√81 + √16 = -3·9 + 4 = -27 + 4 = -23.
-3·√81 + √16 = -3·9 + 4 = -27 + 4 = -23.
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