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Solving the sixth quadratic equation, featuring Ray and Tails

Author

shwapneel1999
0 user (users) favorited this work
  • View Count：460
  • Rating：General - Intended for all ages.
  • Publish Time：2021-12-01 02:23
    •

Solving the sixth quadratic equation, featuring Ray and Tails

Author

shwapneel1999

Show that 25x² - 30x + 9 = 0 has only one solution.

First method

25x² - 30x + 9 = 0

(5x - 3)² = 0

x = 3 / 5

 

Second method

25x² - 30x + 9 = 0

a = 25, b = -30 and c = 9

b² = 900

4ac = 900

b² = 4ac

-b / (2a) = 3 / 5

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0 user (users) favorited this work
  • View Count：460
  • Rating：General - Intended for all ages.
  • Publish Time：2021-12-01 02:23
    •