Which value must be added to the expression x2 + x to make it a perfect-square trinomial?

a. 1/4
b. 1/2
c. 1
d. 4

Simple...

you have: Which value must be added to the expression 

to make it a perfect-square trinomial?

(Answer)

A perfect square is a whole number that is the square of an integer..-->>>

EX: 16 is a perfect square because 4*4=16

-->>(No)

This expression can't be factored with rational numbers, nor is the polynomial factorable with rational numbers.

-->>(No)

This expression can't be factored with rational numbers, nor is the polynomial factorable with rational numbers.

-->>(No)

This expression can't be factored with rational numbers, nor is the polynomial factorable with rational numbers.

Thus, your answer.

Is 8.50 an answer or no? ?