What I understand is that if this are the three options that you put you should choose X2
The value added to the equation
exists
.
<h3>What is a perfect square?</h3>
A perfect square exists as a number that can be described as the product of an integer by itself or as the second exponent of an integer.
The perfect square trinomial exists
±
=
± 2ab + 


then 
The value of a = x and b = 3



The value added to the equation
exists
.
To learn more about perfect square refer to: brainly.com/question/6946048
#SPJ4
Answer:
Step-by-step explanation:
- 4x² + 10x
1. Equilateral/Equiangular 2. Right 3. Isosceles 4. Scalene