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Brums [2.3K]
3 years ago
9

What goes in the blanks? (a2 +___+1)−(___+5a+___)=4a2 −2a+7

Mathematics
2 answers:
andrey2020 [161]3 years ago
6 0

Answer:

4a2 + 4a + 1 = (2a +1)^2 = (2a + 1)(2a + 1)

4 − 4a + a2  = (2 - a)^2 = (2 − a)(2 − a)

4a2 − 4a + 1 = (2a -1)^2 = (2a − 1)(2a − 1)

4 + 4a + a2 = (2 + a)^2 = (2 + a)(2 + a)

Step-by-step explanation:

oksian1 [2.3K]3 years ago
4 0

Answer:

  • 3a, -3a², - 6

Step-by-step explanation:

<u>The left side of the equation:</u>

  • a² - 5a + 1

<u>The right side:</u>

  • 4a² - 2a + 7

<u>The difference:</u>

  • - 3a² + 3a - 6

<u>The equation is:</u>

  • (a² + 3a + 1) - (-3a² + 5a - 6) = 4a² - 2a + 7

<u>The blanks:</u>

  • 3a, -3a², - 6
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You have not provided the options, therefore, I can not provide an exact answer.

However, I will help you with the concept


In a triangle, the circumcenter is defined as the point of intersection of the three perpendicular bisectors in the triangle


The circumcenter is characterized by the following:

1- The circumcenter is the center point of the circumcircle

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4 years ago
-72 by 8<br> A) -9 <br> B) -8 <br> C) 7 <br> D) 8
monitta

<u><em>Hi there! :) :D</em></u>

<u><em>Answer:</em></u>

<u><em>A. -9</em></u>

<u><em>*The answer must have a negative sign.*</em></u>

Step-by-step explanation:

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First, you divide by the numbers from left to right.

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Then, you can also multiply by the numbers from left to right.

9*8=72

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Have a nice day! :)

:D

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Thank you so much! :)

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