Question

 de o valor numérico as expressões algebricas a) x+5,para x=-7 b) x-11,para x=-2 c)x2-3,para x=2 d) x3-1,para x=-3 e) 2x=2,para x=-2

Answer 1

a) -7 + 5 = -2

b) -2 -11 = -13

c) 2^2 - 3 =
4 - 3 = 1

d) (-3)^3 - 1 =
-27 - 1 = -28