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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:

Part 1) m\angle AFE=55^o

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Step-by-step explanation:

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we know that

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<u>Note:</u> In this problem the correct measure of arc EA is 40 degrees (see the picture)

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Part 2) what is the measure of angle  EFB?

we know that

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so

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55^o+m\angle EFB=180^o

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I can be very incorrect though, don't depend on me that much. Just make sure to think about my answer and what you would answer.

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