Although the novel Frankenstein, written in 1818 by Mary Shelley, has been called the first science fiction novel, there is a persistent but false belief that women did not enter the field of science fiction writing until the 1960s and 1970s.
Other notable women in the science fiction field include:
... to both sides, getting
<math>x^2+\frac{b}{a}x+\frac{b^2}{4a^2}=-\frac{c}{a}+\frac{b^2}{4a^2}.</math>
The left side is now a perfect square; it is the ...