448÷56
3/4-1/2
(2x-3)(4-x)
find the domain and range of f(x)= 2x-9
-5(-3)^2(2)^3
2x -2/x =3, find x^2 + 1/(x^2)
5(4-x)
1/50 × 2000
seventh to the power of 3rd plus 5
