\(5x^2-20\) को (5) बाहर निकालकर कैसे लिखा जाएगा?
How will \(5x^2-20\) be written after taking out (5)?
Explanation opens after your attempt
D. (5\(x^2-4\))
Concept
Both \(5x^2\) and (-20) have (5) in common. After taking it out, \(x^2-4\) remains.
Why this answer is correct
The correct answer is D. (5\(x^2-4\)). Both \(5x^2\) and (-20) have (5) in common. After taking it out, \(x^2-4\) remains.
Exam Tip
\(5x^2\) और (-20) दोनों में (5) समान है। बाहर निकालने पर \(x^2-4\) बचता है।
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