2 5 10x 5 July 8, 2019 16 32 64 128 5x 2 10x 5 5x 2 10x 5 0 5x 2 10x 5 0 discriminant 50x 2 10x 0 5 0 5 4x 2 )= 2 10x 5 5x 2 10x 5 factor 5x 2 10x 5 * x 5x 2 10x 5 factorise 2 5 4 10x 5 7 2x 1 2 40 5x )= 10x 5 1 x 2 5 3 10x 5 9 5 2 10x 16 )= 5 Y 5x 2 10x 5 5x 2 10x 5 45t 2
