Question

factoriza y luego simplifica
ayudaaa​

Answer 1

Respuesta:

a)  $\frac{a^{2} -6a+9}{a^{2}-9 } =\frac{(a-3)^2}{(a+3)(a-3} =\frac{a-3}{a+3}$

b) $\frac{x^2-25}{x^{2}+2x-15} =\frac{(x+5)(x-5)}{(x-3)(x+5)} =\frac{x-5}{x-3}$

c) $\frac{x^2-y^2}{2y+y+xz+x}= \frac{x^2-y^2}{3y+xz+x}=\frac{(x+y)(x-y)}{3y+xz+x}$

d) $\frac{x^3-3x^2y+3xy^2-y^3}{x^2+xy-y^2} =\frac{(x-y)^3}{x^2+xy-y^2}$

Espero te sirva!!! :)