Question

sendo A= (2x²+3) e B =(x-1), calcule:
a)A+2B
b)AB
c)B²+A
ME AJUDEI PRFVR​

Answer 1

a)
2x^2 + 3 + 2(x - 1)
2x^2 + 3 + 2x - 2
2x^2 + 2x + 1

b)
(x-1)(2x^2 + 3)
2x^3 + 3x -2x^2 - 3
2x^3 - 2x^2 + 3x - 3

c) (x - 1)^2 + 2x^2 + 3
x^2 -2x + 1 + 2x^2 + 3
3x^2 -2x + 4