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Solve $2 x^{2} - 4 x - 3 = 0$ . Leave the answer in surd form.

Class 10The Quadratic FormulaAlgebra — Quadratics

A $\frac{- 2 \pm 10}{2}$
B $\frac{4 \pm 10}{4}$
C $\frac{2 \pm 10}{4}$
D $\frac{2 \pm 10}{2}$

Step-by-Step Solution

D = 16 + 24 = 40. x = \frac{4 \pm 40}{4} = \frac{4 \pm 2 10}{4} = \frac{2 \pm 10}{2}

. Both the 4 and the 2

10

must be divided by 2 when cancelling.

Answer: D)

\frac{2 \pm 10}{2}

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