Question

A grupe os seguintes monômios:

a) 3ax+5bx-12ax-15bx+4x=

b) 1by/2+15by/6=

c) 12by-7by+25x-42x=
Me ajudem pfv

Answer 1

Resposta:

a) 3ax+5bx-12ax-15bx+4x=

$- 9ax - 10bx + 4x$

b) 1by/2+15by/6=

$\frac{by}{2} + \frac{15by}{6} \\ \\ \frac{3by + 15by}{6} \\ \\ \frac{18by}{6} \\ \\ = 3by$

c) 12by-7by+25x-42x=

$5by - 17x$