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The Lilavati and Its Mathematical Problems
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What is the value of x in the equation x^2 + 2x - 8 = 0?
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A
2
💡 Explanation:
To solve the equation, we can use the quadratic formula: x = (-b ± √(b^2 - 4ac)) / 2a. Plugging in the values from the equation, we get x = (-2 ± √(2^2 - 4(1)(-8))) / 2(1) = (-2 ± √36) / 2 = (-2 ± 6) / 2. Therefore, x = 2 or x = -4.