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2w2 + 22w + 7 = 0

w = [-22 +/- sqrt(22*22 - 4*2*7)] / (2*2)

= [-22 +/- sqrt(484 - 56)] / 4

= [-22 +/- sqrt(428)] / 4

so w = -0.328 or w = -10.672

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Q: 2wsquared plus 22w plus 7 equals 0?
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