zad7
[tex]a)\frac{16a^{2}-40}{8}=2a^{2}-5[/tex]
[tex]b)\frac{-30xy+15x}{5}=-6xy+3x[/tex]
[tex]c)\frac{15p^{2}-6p+3}{3}=5p^{2}-2p+1[/tex]
[tex]d)\frac{8x^{2}-20x+12xy}{4}=2x^{2}-5x+3xy[/tex]
[tex]e)\frac{21y^{2}-7xy+14}{7}=3y^{2}-xy+2[/tex]
[tex]f)\frac{18a^{2}-30ab+4b}{2}=9a^{2}-15ab+2b[/tex]
[tex]g)\frac{30x^{2}-10xy+70}{10}=3x^{2}-xy+7[/tex]
[tex]h)\frac{-12u^{2}-15uw+18u}{-3}=4u^{2}+5uw-6u[/tex]
[tex]i)\frac{-4-14p-2p^{2}}{-2}=2+7p+p^{2}=p^{2}+7p+2[/tex]
[tex]j)\frac{9r^{2}-27rw-45}{-9}=-r^{2}+3rw+5[/tex]
