4x 2 5x 12 9 July 8, 2019 16 32 64 128 4x 2 5x 12 99 4x 2 5x 12 0 9 2x 9 )( 4x 2 5x 12 Factorise 4x 2 12 5x 9 25 Factorize 4x 2 12 5x 9 25 3 4x 4 )= 2 5x 9 )- 12 4 6x 9 )- 4x 2 5x 12 Simplify 2x 2 5x 12 4x 2 9 4x ^ 2 - 5x - 12 = 98 4x ^ 2 - 5x - 12 = 12
