# simplify 1 t 2 5t5 t 1 6t2 24 2 56 b 111 ab a2 3 x23x 10 x2 100 x2 3x 40 x2 20×100 4 1 2 x5

Simplify:

1. t – 2 * 5t+5

t + 1 * 6t^2-24

2. 5+6

a b

11+1

ab a^2

3. x^2+3x-10

x^2-100

x^2-3x-40

x^2-20x+100

4. 1 – 2

x+5 x^2-5x+6

3 + 4

x-3 x^2+3x-10

solve:

5. 1 = 3

7x-8= 5x+8

6. t+10 + 5 = 9

t^2-t-30 t-6 t+5

7. david can paint a bedroom in 0.75 hr. jay can paint the same rrom in 1.25 hr. how long will it take them, working togather, to paint the bedroom?

Divide:

8. (18ab^3c-5ab^2c^2+12a^2b)

9. (y^2-10y+5)/(y-5)

10. (3x^4+8x^2+4x+1)/(x^2+1)

11. use synthetic divison (x^3+2x^2+3x-10)/(x-4)

12. if f(x)= 5x^4-7x^3+3x-9) then use synthetic divison f(3)

13. the product of the reciprocals of two consecutive integers is 1/20. Find the integers.

14. Lance bicycles 38 km/h with no wind. Against wind he bikes 28 km in the same time it takes to bike 48 km with the wind. What is the speed of the wind?

15. 2 – 2= 16

x-8 x x^2-8x

16. one summer, tawana mowed 5 lans for every 3 lawns mowed by jeff. Togather mowed 120 lawns. How many did each mow?