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4 votes
Help!!!! What’s an appropriate method to solve 9x^2+3x-2=0??

Factoring
Quadratic formula
Completing the square

1 Answer

7 votes
To solve that use the Quadratic formula.

ax^(2) + bx + c = 0

9 {x}^(2) + 3x - 2 = 0
Solve using:

x(1) = \frac{ - b - \sqrt{ {b}^(2) - 4ac} }{2a}
and

x(2) = \frac{ - b + \sqrt{ {b}^(2) - 4ac} }{2a}
Answers are

x(1) = (1)/(3) \\ x(2) = - (2)/(3)
User Imants Volkovs
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