Question

Fatore

A) 5ax+15a²y-20a3w

B)3a+6b+ax+2bx

C)A²+4

D)9-b²

Answer 1

A) 5ax+15a²y-20a3w ==> 5a(x+3ay-4a²w)

B) 3a+6b+ax+2bx ==>  3(a+2b)+ x(a+2b) ==> (3+x)(a+2b)

C)A²+4 sem fator comum

D)9-b² ==> (3+b)(3-b)