Related Post: X 5 5x 4 1 0 X 5 X 4 1 0 X 5 5x 4 9x 3 9x 2 5x 1 0 X 5 5x 4 10x 3 10x 2 5x 1 0 Solve X 5 5x 4 9x 3 9x 2 5x 1 0 X 5 2x 4 1 0 2 X 5 0 5x 1 2x 4 0 25 5 4 5x 1 )= 5 7 0 5 X 20 4^5x=4^10 5/6x-1/5x+4=7/10x