Question

If one is the value of px=x2 - 3 (a+1)+x-1 find the value of a​

Answer 1

Answer:

a = -2/3

Step-by-step explanation:

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

zero =1

p(1)=(1)^2 -3a -3 +(1) - 1

=1 - 3a -3 +1 -1

= - 2 -3a

now,

-2 - 3a =0

- 3a =2

a = 2/ -3

a = -2/3.

hope this helps u ❤❤....