व्यंजक (5(2m-3n)-2(m+n)) का सरल रूप क्या है?
What is the simplified form of (5(2m-3n)-2(m+n))?
Explanation opens after your attempt
A. (8m-17n)
Concept
Expanding gives (10m-15n-2m-2n=8m-17n). Combine (m) and (n) terms separately.
Why this answer is correct
The correct answer is A. (8m-17n). Expanding gives (10m-15n-2m-2n=8m-17n). Combine (m) and (n) terms separately.
Exam Tip
खोलने पर (10m-15n-2m-2n=8m-17n) मिलता है। (m) और (n) के पद अलग-अलग जोड़ें।
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