Question

Find the value of the expression (x3−1)(4x+1) when x=2.

Answer 1

Answer:

45, 14, -5

depending on which sign is in the middle

Step-by-step explanation:

Do you mean 3x instead of x3?

(3x-1)*(4x+1)=5*9= 45

(3x-1)+(4x+1)=5+9= 14

(3x-1)-(4x+1)=5-9= -5