Question

If x = -1 , find the value of 3x-1 B. -3x^2 +2x-1 C.-x^3 - x^2+x-1
please guys correctly solution dena​

Answer 1

Step-by-step explanation:

(a) 3(-1)-1= -3-1= -4

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

= -3(1)+(-2)-1

= -3-2-1= -6

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

= -1-1-1-1 = -4

(d) (-1)^2+(-1)+1

1-1+1=1