Question

(3) Calcula el valor numérico de estas expresiones algebraicas para x=3.

Answer 1

x+1= 3+1= 4

2x-3 = 2(3)-3= 6-3 = 3

x^2+1 = (3) ^2+1 = 9+1 = 10

2x^2-3x-5 = 2(3)^2-3(3)-5 = 2(9)-9-5 = 18-9-5 = 4

Answer 2

Respuesta:

x+1=3+1=4

2×(3)-3=6-3=3

(3²)+1=9+1=10

2×(3²)-3×(3)-5=18-9-5=4