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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Yes because if 1+0=1 than 0 plus b equals b
many solutions
x = y = 0 ?
1 plus 1 plus 1 plus 1 equals 1 times 4. 1 times 4 equals 4. 4 minus 4 equals 0. 0
a = 0