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Mathematics, 18.11.2019 14:31 Zhodges5020

Conjecture: if 2(x^2 + 5) = 60, then x is 5 or –5.

1: 2(x^2 + 5) = 60
2: 2x^2 + 10 = 60
3: 2x^2 = 50
4: x^2 = 25
5: x = ±5

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Conjecture: if 2(x^2 + 5) = 60, then x is 5 or –5.

1: 2(x^2 + 5) = 60
2: 2x^2 +...

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