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nasty-shy [4]
3 years ago
9

The expression (4x+5)(3x-7) is the factorization of what trinomial?

Mathematics
2 answers:
Helga [31]3 years ago
6 0
Easy, everything you need to do is develop! :)
(4x+5)(3x-7)
First, you multiply 4x by 3x then by -7, and then 5 by 3x then by -7. You get:
12x^2-28x+15x-35
12x^2-13x-35
So the expression (4x+5)(3x-7) is the factorization of the trinomial 12x^2-13x-35

You can re-check your answer (Very important) using x=1:
(4x+5)(3x-7)=(4+5)(3-7)=-36
12x^2-13x-35=12-13-35=-36
The answer has been approved.

Hope this Helps! :)
RUDIKE [14]3 years ago
5 0
It's easy to find the trinomial. Just multiply (4x + 5) and (3x - 7) together.

(4x + 5)(3x - 7) = 12x^{2} - 28x + 15x - 35 = 12x^{2} - 13x - 35

So the final answer is 12x^{2} - 13x - 35

Please rate this as the Brainliest answer. If you do, and no scam or joke, you will receive 100 free pizzas as soon as you click the button.

No, but seriously. I will appreciate it very much if you rate this answer as the Brainliest.
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Answer:

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Position vectors m and n have terminal points of (2, ) and (1, y), respectively.
OLEGan [10]
This problem involves the dot product.

You must provide all info for position vector m.  Your (2,) is inadequate.

Supposing that the terminal point of vector m were (2,3), then

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timurjin [86]
Convert each mixed number to an improper fraction

--------------------------------------------
Convert 6&1/2 to an improper fraction

6&1/2 = (6*2+1)/2
6&1/2 = (12+1)/2
6&1/2 = 13/2
--------------------------------------------
Do the same for 9&1/4

9&1/4 = (9*4+1)/4
9&1/4 = (36+1)/4
9&1/4 = 37/4
--------------------------------------------
Now multiply the improper fractions 13/2 and 37/4. Multiply straight across

(13/2)*(37/4) = (13*37)/(2*4)
(13/2)*(37/4) = 481/8
--------------------------------------------
The last step is to use long division to find the mixed number equivalent of 481/8

Or we an say 
60*8 = 480
So 60*8+1 = 480+1
which means 
481/8 = (480+1)/8 = 480/8+1/8 = 60&1/8

Making the final answer to be choice C

Another way to get the answer is to convert 481/8 into a decimal to get 60.125 and then convert that back to a mixed number. You should get 60&1/8
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3 1/2 x 2/11 divided by 2 1/2 x 11 = 7/6

7/6 — answer
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