Mathematics

Problem

## QUICK REVIEW 1.1 (For help, go to Section A.2.) Exercise numbers with a gray background indicate problems that the authors have designed to be solved without a calculator. Factor the following expressions completely over the real numbers. 1.

x^{2}-16

x^{2}+10 x+25

81 y^{2}-4

3 x^{3}-15 x^{2}+18 x

16 h^{4}-81

x^{2}+2 x h+h^{2}

x^{2}+3 x-4

x^{2}-3 x+4

2 x^{2}-11 x+5

10.

x^{4}+x^{2}-20

Browse the problem library