व्यंजक (6(3m-2n)-5(m-4n)) का सरल रूप क्या है?
What is the simplified form of (6(3m-2n)-5(m-4n))?
Explanation opens after your attempt
B. (13m+8n)
Concept
Expanding gives (18m-12n-5m+20n=13m+8n). Combine (m) and (n) terms separately.
Why this answer is correct
The correct answer is B. (13m+8n). Expanding gives (18m-12n-5m+20n=13m+8n). Combine (m) and (n) terms separately.
Exam Tip
खोलने पर (18m-12n-5m+20n=13m+8n) मिलता है। (m) और (n) वाले पद अलग-अलग जोड़ें।
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