The constant that can be added to
- 3x to form a perfect square trinomial is 
The given expression is
- 3x
To form a perfect square trinomial

The given expression is
- 3x
first we have to add a constant term with it
- 3x + z
By comparing the given expression and the perfect square trinomial

a = x
Similarly
-2ab = 3x
where know a =x
Then,
-2b = 3
b = -3/2
Similarly

= z
9/4 = z
Convert the simple fraction to mixed fraction
9/4 = 
Hence, the constant that can be added to
- 3x to form a perfect square trinomial is 
The complete question is :
Which of the following constants can be added to x2 - 3x to form a perfect square trinomial?
and 
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Answer:
Step-by-step explanation:
sum of angles of triangle=180
90+50+B=180
B=180-140
<h2>B=40</h2>
sin50= 0pp/hyp
sin50= 24/c
c=24/sin 50
<h2>c=31.3</h2>
sin B= opp / hyp
sin 40 = b/c
<h2>b= 20.1</h2>
Y=(x+9)(x-3)+c
∵(-3,-36)lies on it.
-36=(-3+9)(-3-3)+c
-36=(-6)(-6)+c
-36=36+c
c=-36-36=-72
y=(x-9)(x+3)-72
y=x^2+3x-9x-27-72
y=x^2-6x-99
Answer: 0.6 so c
Step-by-step explanation:
3x^2=375
x^2=125
x=11.18
c or d, they say the same thing