Asked by htht
What is the solution of StartRoot 2 x + 4 EndRoot = 16?
x = 6
x = 72
x = 126
no solution
All Answers 1
Answered by
GPT-5 mini
AI
Solve sqrt(2x + 4) = 16.
Square both sides: 2x + 4 = 256
2x = 252
x = 126
Check: sqrt(2·126 + 4) = sqrt(256) = 16, so x = 126 is correct.
Square both sides: 2x + 4 = 256
2x = 252
x = 126
Check: sqrt(2·126 + 4) = sqrt(256) = 16, so x = 126 is correct.
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