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Solve $x^{2} + 22 x - 6 = 0$ using the quadratic formula.

Class 10The Quadratic FormulaAlgebra — Quadratics

A $- 2$ and $32$
B $2$ and $- 32$
C $22$ and $- 32$
D $2$ and $32$

Step-by-Step Solution

D = (22)^{2} - 4 (1) (- 6) = 8 + 24 = 32, 32 = 42 . x = \frac{- 2 2 \pm 4 2}{2} = 2

or

- 32

. Check

2 : 2 + 4 - 6 = 0

.

Answer: B)

2

and

- 32

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