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Elina [12.6K]
2 years ago
12

What is the solution of the following inequality? 3x^2−8x>11

Mathematics
1 answer:
kolezko [41]2 years ago
3 0
3x² - 8x > 11
3x² - 8x - 11 > 11 - 11
3x² - 8x - 11 > 0
x > <u>-(-8) +/- √((-8)² - 4(3)(-11))</u>
                        2(3)
x > <u>8 +/- √(64 + 132)</u>
                   6
x ><u> 8 +/- √(196)
</u>              6
x > <u>8 +/- 14</u>
            6
x > <u>8 + 14</u>       x > <u>8 - 14</u>
          6                     6
x > <u>20</u>             x > <u>-6</u>
       6                     6
x > 3.33          x > -1
<u />
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