1 4x 4x 2 0 July 8, 2019 16 32 64 128 1 4x 2 4x 4 0 1 4x 2 4x 16 0 4x 2 4x 1 0 quadratic formula 4x 2 4x 1 0 solution 4x 2 4x 1 0 solve by factoring 4x 2 4x 1 0 discriminant 4x 2 4x 1 0 graph Factorise 4x 2 4x 1 0 4x 3 4x 2 1 0 4x 2 )- 4x 1 ≤ 0 8x 3 4x 2 4x 1 0 4x 3 4x 2 x 1 0
