Question

dados os polinomios p= a+b+c; q=a-b-c r=a+b-c determine: a) p+a+r

Answer 1

p = a+b+c
q = a-b-c
r = a+b-c

p+a+r = (a+b+c)+a+(a+b-c)
p+a+r = 3a+2b