X 3 5x 2 5 0 July 8, 2019 16 32 64 128 X 3 5x 2 9x 5 0 X 3 3x 2 5x 5 0 X 3 2x 2y 2 5x y 5 0 X 5 5x 3 6x 2 0 X 5 x 4 6x 3 6x 2 5x 5 0 X 1 )( 5x 9 2 3 x 5 0 X 3 x 2 4 0 5x 2 5 X 3 5x 2 11x 5 0 3 5x 2 25 x 10 5 0 2 5x 2 x 3 5 0 by factorisation If x 3 2x 2y 2 5x y 5 0 Solve for x in the equation x 3 5x 2 x 5 0
