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Nonamiya [84]
2 years ago
5

Quick Math Problems Plz Help Solve For X (Show Ur Work If U Can)

Mathematics
1 answer:
VARVARA [1.3K]2 years ago
5 0

Answer:

5. 6x^2 - x - 2

6. 9x^2 - 15x + 6\frac{1}{4}

Step-by-step explanation:

5:

  • (x+ \frac{1}{2}) (6x-4)
  • (x)(6x) + (x)(-4) + (\frac{1}{2})(6x)+(\frac{1}{2})(-4)
  • 6x^2 - 4x + 3x - 2
  • 6x^2 - x - 2

6:

  • (3x-\frac{5}{2})^2
  • (3x - \frac{5}{2})(3x - \frac{5}{2})
  • (3x)(3x) + (3x)(\frac{-5}{2}) + (\frac{-5}{2})(3x) + (\frac{-5}{2})(\frac{-5}{2})
  • 9x^2 - \frac{15}{2}x - \frac{15}{2}x + \frac{25}{4}
  • 9x^2 - 15x + \frac{25}{4}
  • 9x^2 - 15x + 6\frac{1}{4}
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Answer:

Step-by-step explanation:

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a. Changing 0.25 to 25 moves the decimal 2 places to the right, and changing 0.044 to 44 moves the decimal 3 places to the right, so once we solve 25 x 44, we have to move the decimal a total of 5 places to the left.

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Step-by-step explanation:

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