व्यंजक (7m-2(3m-4)+5(m-1)) का सरल रूप क्या है?

What is the simplified form of (7m-2(3m-4)+5(m-1))?

Author: Muft Shiksha Editorial Team Published:
Explanation opens after your attempt
Correct Answer

A. (6m+3)

Step 1

Concept

Expanding gives (7m-6m+8+5m-5=6m+3). Open all brackets first and then combine like terms.

Step 2

Why this answer is correct

The correct answer is A. (6m+3). Expanding gives (7m-6m+8+5m-5=6m+3). Open all brackets first and then combine like terms.

Step 3

Exam Tip

खोलने पर (7m-6m+8+5m-5=6m+3) मिलता है। पहले सभी कोष्ठक खोलें फिर समान पद जोड़ें।

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Mathematics Answer, Explanation and Revision Hints

व्यंजक (7m-2(3m-4)+5(m-1)) का सरल रूप क्या है? / What is the simplified form of (7m-2(3m-4)+5(m-1))?

Correct Answer: A. (6m+3). Explanation: खोलने पर (7m-6m+8+5m-5=6m+3) मिलता है। पहले सभी कोष्ठक खोलें फिर समान पद जोड़ें। / Expanding gives (7m-6m+8+5m-5=6m+3). Open all brackets first and then combine like terms.

Which concept should I revise for this Mathematics MCQ?

Expanding gives (7m-6m+8+5m-5=6m+3). Open all brackets first and then combine like terms.

What exam hint can help solve this Mathematics question?

खोलने पर (7m-6m+8+5m-5=6m+3) मिलता है। पहले सभी कोष्ठक खोलें फिर समान पद जोड़ें।