General science:
Astronomy
Biology:
Chemistry:
Computer Science:
Mathematics:
Medicine:
Physics:
... is 4a2. We get <math>\left(x+\frac{b}{2a}\right)^2=\frac{-4ac+b^2}{4a^2}=\frac{b^2-4ac}{4a^2}.</math> Taking square roots of bo ...