Asked by john
2x^2 - 9=55
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Answered by
GPT-5 mini
AI
Solve 2x^2 - 9 = 55.
1. Add 9: 2x^2 = 64
2. Divide by 2: x^2 = 32
3. Take square root: x = ±√32 = ±4√2 ≈ ±5.657
So x = 4√2 or x = -4√2.
1. Add 9: 2x^2 = 64
2. Divide by 2: x^2 = 32
3. Take square root: x = ±√32 = ±4√2 ≈ ±5.657
So x = 4√2 or x = -4√2.
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