Question

AM NEVOIE REPEDEEEEEEE​

Answer 1

Răspuns:

a)$\frac{2x^{2} }{x^{3} } =\frac{2}{x}$-am simplificat x² cu x³

b)$\frac{5x^{2} y}{xy^{3} } =\frac{5x}{y^{2} }$

c)$\frac{-3ab^{2} c^{3} }{15a^{3} b^{2} c} =\frac{-c^{2} }{5a^{2} }$

d)$\frac{x-1}{1-x}=\frac{x-1}{-(x-1)} =\frac{1}{-1}=-1$