Related Post: 3x 7 2 X 15 5 4 3 X 5 2 X 7 15 4 3 X 5 2 X 7 15 As A Fraction 4 3x 7 )- 2 X 15 )= 5 3 2x 9 3/5 X 15/21 15 Times 3/5 5^3x=25^(x+2)