Born in West London in 1942, Barney Bubbles was responsible for the graphic art associated with Hawkwind, Stiff Records and Ian Dury and the Blockheads.
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... 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 ...