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Kisachek [45]
3 years ago
8

Solve Fast Please!!!!!!!!!!!!!! ok thanks, Bye (2x−5)^2−.5x<(2x−1)(2x+1)−15

Mathematics
1 answer:
Andrews [41]3 years ago
8 0

Keep these rules in mind:

  1. (a + b)² = a² + 2ab + b²
  2. (a - b)² = a² - 2ab + b²
  3. (a + b)(a - b) = a² - b²

Firstly, solve the exponent and multiplication:

4x^2-20x+25-0.5x

Next, combine like terms:

4x^2-20.5x+25

Next, subtract 4x² on both sides:

-20.5x+25

Next, subtract 25 on both sides:

-20.5x

Lastly, divide both sides by -20.5. And since you are dividing by a <u>negative</u>, flip the inequality sign:

x>2

<u>Your answer is x > 2.</u>

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GrogVix [38]

The ratio of 1:6 is 1/6

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The ratio of 3:42 is 1/14

<em>Please mark brainliest if that helped!</em>

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tankabanditka [31]

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Step-by-step explanation:

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3 years ago
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5 0
3 years ago
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Step-by-step explanation:

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