Easy Algebra Step-by-Step

82 Easy Algebra Step-by-Step

Exercise 7

Simplify using only rules for exponents.

1. xx^49 x


2. xx^34 xyy^65 y

3.

x

x

6

3

4.

xy

xy

(^55) y
(^24) y
5.
x
x
4
6
6.
5
()x
2

7. ()xy^5


8. (− 5 x)^3

9.

4

()^2 xy^535 yyz

10.^5
3

4

x

⎛

⎝⎜

⎛⎛

⎝⎝

⎞

⎠⎟

⎞⎞

⎠⎠

11. ⎛−
    ⎝⎜

⎛⎛

⎝⎝

⎞

⎠⎟

⎞⎞

⎠⎠

3

5

4

x

y

12. ( 21 x )^2


13. ( 35 x )^3


14. (xx+ 33 ))((x+ )^2

15.

15

5

() 2 xy

()^2 xy