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Best Answer

It's an equation.

If you want to solve it for x, you can do so as follows:

x2 + 15x = 30

x2 + 15x + (15/2)2 = 30 + (15/2)2

(x + 15/2)2 = 30 + 225/2

x + 15/2 = ± √(285/2)

x = (-15 ± √570) / 2

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10y ago
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Q: What is x2 plus 15x equals 30?
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