Question

Ayúdenme a resolverlos porfa.

Answer 1

Respuesta:

1.     $\frac{a(a+b)}{b}$

2.  $25x^{2}-4y^{2}$

3.  $49x^{4 } y^{2}-16m^{2}$

4.  $m^{2}-25a^{2}b^{2}$

5.    $36r^{4}+30r^{2}y^{4}-30r^{2}y^{5}-25y^{9}$

6.   $\frac{4y^{6} }{9x^{2} }-\frac{16}{49}$

10.     $(b+\frac{2a^{2} }{3})(\frac{b}{5}-\frac{2a^{2} }{3} )$

Explicación paso a paso: