Question

Se A= x²+1 e B= 2x²+x+2, determine o valor de:
a= A+B b= A+B c= B-A

Answer 1

a)A+B; (x²+1)+(2x²+x+2)= 3x²+x+3
b)A-B; (x²+1)-(2x²+x+2)= -x²-x-1
c)B-A; (2x²+x+2)-(x²+1)= x²+x+1