2 4x 7 12 July 8, 2019 16 32 64 128 4x 2 7 12x 4x 2 12x 7 0 4x 2 5x 12 7 Factorise 4x 2 12x 7 Y 4x 2 12x 7 7 12x 2 4x 5 8x 2 4x 12 7 x 3 4x 2 12x 7 in factored form 4x 2 12x 7 0 complete the square 4x 2 12x 7 0 quadratic formula 2 7 4x 18 )= 12 2 x 7 )= 4x 12