32.2 eqns by factoring day 2.notebook October 10, 2018 1) Solve x 2 4x 21 = 0 2) Solve x 2 + 30 = 11x Warm up I can solve a quadratic equation by factoring. how are these different from yesterday? how are they similar? 3) Solve x(x 11) = 18 4) Find the zeros of f(x) = x 2 + 13x + 40 Ex 1: 7a 2 50a + 7 = 0 Ex 2: 4b 2 8b 5 = 0 Ex 3: Solve 2m 2 + 19m = 24 Ex 4: Solve 0.2x 2 0.3x 3.5=0 ~ When can we multiply through by any number we want to?