SOLVE THE QUADRATIC EQUATION TO 3 SIGNIFICANT FIGURES

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3x^2 - 9x + 1 = 0

The quadratic equation is

So 'a' is 1

'b' is -9

'c' is 1

Substitute the values into the equation, once with the '+' and once with the '-'

You should get and

To 3 s.f your answers would be 2.88 and 0.116

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-362

step-by-step explanation:

(12)(4)+2(12)-34(12)+2(12)-3

  \/         \/         \/         \/

  48 +   24 -   408 + 24 - 3

      \   /               \   /

          72     -     432 - 3 = -363

step by step solution :

step   1   :

1.1     4 = 22

(4)3 = (22)3 = 26

equation at the end of step   1   :

  ((23) • 26)2

step   2   :

equation at the end of step   2   :

  (23 • 26)2

step   3   :

final result :

  218

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