Basically, you just have to distribute and then add. Let's do that:
30.
[tex]x( \frac{3}{2}x-2)+6( \frac{5}{2}x- \frac{2}{3}) [/tex]
[tex] (\frac{3}{2}x^2-2x)+( \frac{15}{2}x -4)[/tex]
Combine like terms (and this is your answer):
[tex] \frac{3}{2}x^2- \frac{11}{2}x - \frac{2}{3} [/tex]
31. Same thing (except convert 1 and 1/5 to an improper fraction):
[tex] (\frac{6}{5})(x+ \frac{3}{2})- \frac{9}{10} [/tex]
[tex] \frac{6}{5}x + \frac{9}{5} - \frac{9}{10} [/tex]
[tex] \frac{6}{5}x + \frac{9}{10} [/tex]
Hope this helped!
