\(x^2-2x-8=0\) के लिए सही गुणनखंड कौनसे हैं?

What are the correct factors for \(x^2-2x-8=0\)?

Explanation opens after your attempt
Correct Answer

A. ((x-4)(x+2))

Step 1

Concept

Since (-4+2=-2) and \(-4\times2=-8\), ((x-4)(x+2)) is correct. In exams, match both product and sum.

Step 2

Why this answer is correct

The correct answer is A. ((x-4)(x+2)). Since (-4+2=-2) and \(-4\times2=-8\), ((x-4)(x+2)) is correct. In exams, match both product and sum.

Step 3

Exam Tip

(-4+2=-2) और \(-4\times2=-8\), इसलिए ((x-4)(x+2)) सही है। परीक्षा में गुणनफल और योग दोनों मिलाएं।

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Mathematics Answer, Explanation and Revision Hints

\(x^2-2x-8=0\) के लिए सही गुणनखंड कौनसे हैं? / What are the correct factors for \(x^2-2x-8=0\)?

Correct Answer: A. ((x-4)(x+2)). Explanation: (-4+2=-2) और \(-4\times2=-8\), इसलिए ((x-4)(x+2)) सही है। परीक्षा में गुणनफल और योग दोनों मिलाएं। / Since (-4+2=-2) and \(-4\times2=-8\), ((x-4)(x+2)) is correct. In exams, match both product and sum.

Which concept should I revise for this Mathematics MCQ?

Since (-4+2=-2) and \(-4\times2=-8\), ((x-4)(x+2)) is correct. In exams, match both product and sum.

What exam hint can help solve this Mathematics question?

(-4+2=-2) और \(-4\times2=-8\), इसलिए ((x-4)(x+2)) सही है। परीक्षा में गुणनफल और योग दोनों मिलाएं।