Odpowiedź:
[tex]a)\ \ \dfrac{3a+5a^2}{a}=\dfrac{\not a(3+5a)}{\not a}=3+5a\\\\\\b)\ \ \dfrac{8m^2-3m}{m}=\dfrac{\not m(8m-3)}{\not m}=8m-3\\\\\\c)\ \ \dfrac{5ab+2a^2}{a}=\dfrac{\not a(5b+a)}{\not a}=5b+a\\\\\\d)\ \ \dfrac{6xy-5x^2}{x}=\dfrac{\not x(6y-5x)}{\not x}=6y-5x\\\\\\e)\ \ \dfrac{3p^2+12p}{3p}=\dfrac{\not3p(p+4)}{\not3p}=p+4\\\\\\f)\ \ \dfrac{-15x^2+5xy}{-5x}=\dfrac{\not5x(-3x+y)}{-\not5x}=-(-3x+y)=3x-y[/tex]
