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x2 +7x = 30

x2 +7x - 30 = 0

(x + 10)(x - 3) = 0

Now: x + 10 = 0 or x - 3 = 0

So: x = -10 or x = 3

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โˆ™ 2010-05-03 23:06:49
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Q: Solve x squared plus 7x equals 30?
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