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Crazy boy [7]
2 years ago
5

Factor the polynomial: 5x2(x - 1) - 7(x - 1)

Mathematics
1 answer:
olga_2 [115]2 years ago
8 0

Answer:

C

Step-by-step explanation:

Given

5x²(x - 1) - 7(x - 1) ← factor out (x - 1) from each term

= (x - 1)(5x² - 7) → C

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Find the product (4x-5y)^2
sleet_krkn [62]
To find the product of (4x-5y)^2,
we can rewrite the problem as:
(4x-5y)(4x-5y) (two times because it is squared)

Now, time to use that old method we learned in middle school:
FOIL. (Firsts, Outers, Inners, and Lasts)

FOIL can help us greatly in this scenario.
Let's start by multiplying the 'Firsts' together:
4x * 4x = <em>16x^2</em>

Now, lets to the 'Outers':
4x * -5y = <em>-20xy</em> 

Next, we can multiply the 'Inners':
-5y * 4x = <em>-20xy</em>

Finally, let's do the 'Lasts':
-5y * -5y = <em>25y</em>^2

Now, we can take the products of these equations from FOIL and combine like terms. We have: 16x^2, -20xy, -20xy, and 25y^2.
-20xy and -20xy make -40xy.

The final equation (product of (4x-5y)^2) is:
16x^2 - 40xy + 25y^2

Hope I helped! If any of my math is wrong, please report and let me know!
Have a good one.
4 0
3 years ago
true or false: we want the leading coeffient of a polynomial to be a positive number whenever possible
EastWind [94]
That is false... coefficients in polynomials can lead in either positive or negative 
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3 years ago
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I WILL MARK AS BRAINLIEST! Simplify
aev [14]
A. 40
B. 28
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. Identify the converse of the conditional statement. Determine the truth values of the original conditional and its converse. I
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Thank you for posting your question here at brainly. I hope the answer will help you. Feel free to ask more questions here.

The answer should be A which is:
<span>
If the measure of an angle is 90, then it is a right angle.
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7 0
3 years ago
A bag contains 1 gold marbles, 6 silver marbles, and 29 black marbles. Someone offers to play this game: You randomly select one
pentagon [3]

Answer:

the expected value is -$1

7 0
2 years ago
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