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The quadratic expression 2x² + 6x + 18 = 0 has only complex solutions.

( -1.5 ± 2.5980762113533i ) - because the b value (6) cannot be obtained as a sum of real factors.

* Conversely, 2x² + 12x + 18 has one solution (-3)

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7y ago
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7y ago

It is a quadratic expression in algebra.

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Q: What is 2x squared plus 6x plus 18?
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