Question

fatore os polinomios
a)4r+12
b)4am+12an+5bm+15bn
c)21x+14y+16ay

Answer 1

a) 4(r+3) fator comum
b) 4a(m+3n)+5b(m+3n) = (m+3n)(4a+5b) agrupamento
c) 7(x+2y)+16ay fator comum