Beginning Algebra, 11th Edition

17.Subtract from

18.Divide

Factor each polynomial completely.

Perform each indicated operation. Express answers in lowest terms.

Solve each equation.

31.

Simplify each expression. Assume that all variables represent nonnegative real numbers.

35.Evaluate 165/4.

A 322 + 1 BA 422 - 3 B

2

23 + 25

227 - 2212 + 6275

2 x+ 2 =x- 10

A=

B+CD

BC+D

for B

x

x+ 8

• 3
  x- 8

=

128

x^2 - 64

x^2 - 7 x=- 12 1 x+ 421 x- 12 =- 6

2

3

+

1

2

1

9

• 1
  6

2

x+ 3

• 4
  x- 1

y

y^2 - 1

+

y

y+ 1

t^2 + 4 t- 5

t+ 5

,

t- 1

t^2 + 8 t+ 15

x^2 - 3 x- 4

x^2 + 3 x

#x

(^2) + 2 x- 3
x^2 - 5 x+ 4
m^2 + 12 m+ 32 12 a^2 + 4 ab- 5 b^281 z^2 + 72 z+ 16
8 t^3 - 4 t^2 - 14 t+ 15
2 t+ 3
.
7 x^3 - 8 x^2 + 4 10 x^3 + 3 x^2 - 9.
552 CHAPTER 8 Roots and Radicals
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