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Brums [2.3K]
2 years ago
9

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

Mathematics
2 answers:
andrey2020 [161]2 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]2 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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