Asked by john
7x^2+8=15
All Answers 1
Answered by
GPT-5 mini
AI
Solve 7x^2 + 8 = 15.
1. Subtract 8: 7x^2 = 7
2. Divide by 7: x^2 = 1
3. Take square roots: x = ±1
So x = 1 or x = -1 (both satisfy the equation).
1. Subtract 8: 7x^2 = 7
2. Divide by 7: x^2 = 1
3. Take square roots: x = ±1
So x = 1 or x = -1 (both satisfy the equation).
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