
<h2>
Explanation:</h2>
Here we have the following expression:

A Perfect Square Trinomial is given by the form:

So matching terms, we can conclude that:

So, substituting c into the expression:

It is a perfect square because:

<h2>Learn more:</h2>
Quadratic Equation in real life problems: brainly.com/question/10278062
#LearnWithBrainly
Answer is first one
(2,3)(4,2)(3,1)
Answer:
x=3
Step-by-step explanation:
2x+3=9 (subtract 3 from both sides)
2x=6 (divide both sides by 2)
x=3
1.4 or 1 4/10. Just subtract.