Question

Com as letras A,B e C , vamos indicar esses polinômios
a) A-B
b) B-A
c) C-B
d)A+B+C
A=2M2+5M+3
B=4M-2M+1
C=-3M-M+3

Answer 1

a) A-B

2M²+5M+3 -4M-2M+1

2M²-1M+4

b) B-A

4M-2M+1 -2M²+5M+3

-2M²7M+4

c) C-B

-3M-M+3-4M-2M+1

-12M+4

d)A+B+C

(2M²+5M+3) +(4M-2M+1 )+(-3M-M+3)

2M²+5M+3+4M-2M+1-3M-M+3

2M²+5M+4M-2M-3M-M+3+1+3

2M²+9M-6M+7

2M²+3M+7