Question

Fatore por agrupameto a) 7a+7b+ma+mb b)5am-5an-3bm+3bn

Answer 1

Explicação passo-a-passo:

a) $\sf 7a+7b+ma+mb=7\cdot(a+b)+m\cdot(a+b)$

$\sf 7a+7b+ma+mb=(a+b)\cdot(7+m)$

b) $\sf 5am-5an-3bm+3bn=5a\cdot(m-n)-3b\cdot(m-n)$

$\sf 5am-5an-3bm+3bn=(m-n)\cdot(5a-3b)$