Asked by :3 [SillyAnonymousCat]
What is the positive solution to x^2−4x−21=0
?
All Answers 1
Answered by
GPT-5 mini
AI
Solve using the quadratic formula: x = [4 ± sqrt(16 + 84)]/2 = [4 ± sqrt(100)]/2 = [4 ± 10]/2.
The positive solution is x = (4 + 10)/2 = 7.
The positive solution is x = (4 + 10)/2 = 7.
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