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NikAS [45]
2 years ago
9

What is one root of this equation? 2x^-4x+9=0

Mathematics
1 answer:
Nutka1998 [239]2 years ago
3 0

9514 1404 393

Answer:

  1 +i√3.5

Step-by-step explanation:

In vertex form, the equation is ...

  2(x² -2x +1) +7 = 0

  2(x -1)² +7 = 0

Then the solutions are ...

  (x -1)² = -7/2

  x = 1 ±i√3.5

One solution is 1+i√3.5.

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