(1) Answers
xy=520 & y=x+6 xy = x*(x+6) = x^2 + 6x x^2+6x-520 = 0 => x = {-26, 20} When x = -26, y = -20 x = 20, y = 26
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xy=520 & y=x+6 xy = x*(x+6) = x^2 + 6x x^2+6x-520 = 0 => x = {-26, 20} When x = -26, y = -20 x = 20, y = 26