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MAXImum [283]
3 years ago
12

 Find the factors of 3x2 − 33x + 84

Mathematics
2 answers:
timurjin [86]3 years ago
6 0
For these ones I just play around with what I can divide 84 by to equal -33 in the middle. I decided to divide 84 by 4 because it was an even number. 

84/4=21

21+ (3*4)= 33

Answer: (x-4)(3x-21)
Sav [38]3 years ago
3 0

Answer:  The factors of the given expressions are 3, (x-7) and (x-4).

Step-by-step explanation:  We are given to find the factors of the following quadratic expression :

E=3x^2-33x+84~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~(i)

To find the factors of the given expression, we need to find two integers with sum -33 and product 252.

From (i), we have

E\\\\=3x^2-33x+84\\\\=3x^2-21x-12x+84\\\\=3x(x-7)-12(x-7)\\\\=(x-7)(3x-12)\\\\=3(x-7)(x-4).

Thus, the factors of the given expressions are 3, (x-7) and (x-4).

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butalik [34]
If you would like to know what is the sum of 667 and 23, you can calculate this using the following steps:

the sum of 667 and 23:
667 + 23 = 690

The correct result would be B. 690.
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3 years ago
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A tissue box has a height of 4 inches, a width of 8 inches and a length of 5.5 inches. What is the volume in inches cubed?
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Lelechka [254]

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3 years ago
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Nostrana [21]
1.) x = -3...this is a vertical line with an undefined slope. A parallel line to a vertical line is also a vertical line. A vertical line is represented by x = a number....that number being the x coordinate of ur point(4,2).
so ur parallel line is : x = 4 <==
=================
2.) y = -3/2x + 6....slope here is -3/2. A parallel line will have the same slope.

y = mx + b
slope(m) = -3/2
(2,-1)...x = 2 and y = -1
now we sub into the formula and find b, the y int
-1 = -3/2(2) + b
-1 = -3 + b
-1 + 3 = b
2 = b
so ur parallel line is : y = -3/2x + 2 <==
===================
y = -x - 2....the slope here is -1. A parallel line will have the same slope

y = mx + b
slope(m) = -1
(2,-2)...x = 2 and y = -2
now we sub into the formula and find b, the y int
-2 = -1(2) + b
-2 = -2 + b
-2 + 2 = b
0 = b
so ur parallel equation is : y = -x + 0 which can be written as : y = -x <=
8 0
3 years ago
PLEASE HELP BEFORE MIDNIGHT 2/14/22
spayn [35]
The answer is 1 and 5
3 0
2 years ago
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