Solve 3x² − 6x − 2 = 0, leaving the answer in simplest surd form.

Question

Accepted Answer

3 ± √153. D = 36 + 24 = 60, so x = 6 ± √606 = 6 ± 2√156 = 3 ± √153. Because c = −2 is negative, −4ac adds 24; subtracting it instead gives D = 12 and the wrong answer 3 ± √33.

Solve $3 x^{2} - 6 x - 2 = 0$ , leaving the answer in simplest surd form.

Step-by-Step Solution

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More Class 10 The Quadratic Formula practice

Solve 3x2−6x−2=0, leaving the answer in simplest surd form.

Step-by-Step Solution

Master this chapter in 30 minutes a day.

More Class 10 The Quadratic Formula practice

Solve $3 x^{2} - 6 x - 2 = 0$ , leaving the answer in simplest surd form.