x^2 plus 4 = 0
x^2 = -4
square root both sides
x = the square root of -4
x = 2i
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It is B, 0.
The discriminant is 900.
Yes because if 1+0=1 than 0 plus b equals b
It equals 0. * * * * * Unless the question is (-x)2 + (+x)2. In that case, the answer is 2x2
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