Answers
1. [tex]6\frac{2}{3}\\[/tex]
2. [tex]-1[/tex]
3. [tex]-2\frac{3}{10}[/tex]
Explanation
1. [tex]\frac{5(4)}{3(4)-9} = \frac{20}{3}[/tex] or [tex]6\frac{2}{3}[/tex]
2.[tex]\frac{(-2)^2+4(-2)+1}{(-2)^2-1} =\frac{4-8+1}{3} = -\frac{3}{3}[/tex] or [tex]-1[/tex]
3. [tex]\frac{(-3)^3-4(-3)^2+2(-3)}{(-3)^2-5(-3)+6} = \frac{-27-36-6}{9+15+6} = -\frac{69}{30} = -\frac{23}{10}[/tex] or [tex]-2\frac{3}{10}[/tex]
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Answers & Comments
Answers
1. [tex]6\frac{2}{3}\\[/tex]
2. [tex]-1[/tex]
3. [tex]-2\frac{3}{10}[/tex]
Explanation
1. [tex]\frac{5(4)}{3(4)-9} = \frac{20}{3}[/tex] or [tex]6\frac{2}{3}[/tex]
2.[tex]\frac{(-2)^2+4(-2)+1}{(-2)^2-1} =\frac{4-8+1}{3} = -\frac{3}{3}[/tex] or [tex]-1[/tex]
3. [tex]\frac{(-3)^3-4(-3)^2+2(-3)}{(-3)^2-5(-3)+6} = \frac{-27-36-6}{9+15+6} = -\frac{69}{30} = -\frac{23}{10}[/tex] or [tex]-2\frac{3}{10}[/tex]