Question

a) 6x + 6y + ax + ay

b) 7m + 7n – am - na

c) 3x – 3 + yx – y

d) ax – 2x + 10a – 20​

Answer 1

Resposta:

a)

= 6x + 6y + ax + ay  

=  6(x + y) + a(x + y)

= (x + y).(6 + a)

¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨

b)

= 7m + 7n - am - an

= 7.(m + n) - a(m + n)

= (m + n).(7 - a)

Explicação passo-a-passo: