urp:poly

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 urp:poly [2022-01-07]nerf_herder urp:poly [2022-01-07] (current)nerf_herder [Completing the square] Both sides previous revision Previous revision 2022-01-07 nerf_herder [Completing the square] 2022-01-07 nerf_herder 2022-01-07 nerf_herder [Completing the square] 2021-12-19 nerf_herder [Rational Roots] 2021-12-19 nerf_herder 2021-12-19 nerf_herder 2021-12-19 nerf_herder 2021-12-19 nerf_herder [Rule of signs] 2021-12-19 nerf_herder 2021-12-19 nerf_herder 2021-12-19 nerf_herder 2021-12-19 nerf_herder 2021-10-29 nerf_herder created 2022-01-07 nerf_herder [Completing the square] 2022-01-07 nerf_herder 2022-01-07 nerf_herder [Completing the square] 2021-12-19 nerf_herder [Rational Roots] 2021-12-19 nerf_herder 2021-12-19 nerf_herder 2021-12-19 nerf_herder 2021-12-19 nerf_herder [Rule of signs] 2021-12-19 nerf_herder 2021-12-19 nerf_herder 2021-12-19 nerf_herder 2021-12-19 nerf_herder 2021-10-29 nerf_herder created Line 23: Line 23: Call d = b/2a: (x + d)² = d² - c/a Call d = b/2a: (x + d)² = d² - c/a Take square roots: x + d = ±√(d² - c/a), and simplify Take square roots: x + d = ±√(d² - c/a), and simplify - (This gives two answers, call it u and v. + (Solving for x gives two answers, call it u and v. The quadratic equation can then be rewritten as: a(x+u)(x+v) = 0) The quadratic equation can then be rewritten as: a(x+u)(x+v) = 0)