Problem

$3 x^{2} - 5 x + 2 = 0$ è

Answer

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Answer

$x = \frac{5 \pm \sqrt{(- 5)^{2} - 4 (3) (2)}}{2 (3)}$

Steps

Step 1 ： $Quadratic formula: x = \frac{- b \pm \sqrt{b^{2} - 4 a c}}{2 a}$

Step 2 ： $a = 3, b = - 5, c = 2$

Step 3 ： $x = \frac{5 \pm \sqrt{(- 5)^{2} - 4 (3) (2)}}{2 (3)}$

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