व्यंजक (3(4x-5)-[2x-3(1-x)]) का सरल रूप क्या है?

What is the simplified form of (3(4x-5)-[2x-3(1-x)])?

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

A. (7x-12)

Step 1

Concept

Inside (2x-3+3x=5x-3), so (12x-15-(5x-3)=7x-12). Simplify inside the square bracket first.

Step 2

Why this answer is correct

The correct answer is A. (7x-12). Inside (2x-3+3x=5x-3), so (12x-15-(5x-3)=7x-12). Simplify inside the square bracket first.

Step 3

Exam Tip

अंदर (2x-3+3x=5x-3), इसलिए (12x-15-(5x-3)=7x-12)। वर्ग कोष्ठक के अंदर पहले सरल करें।

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Mathematics Answer, Explanation and Revision Hints

व्यंजक (3(4x-5)-[2x-3(1-x)]) का सरल रूप क्या है? / What is the simplified form of (3(4x-5)-[2x-3(1-x)])?

Correct Answer: A. (7x-12). Explanation: अंदर (2x-3+3x=5x-3), इसलिए (12x-15-(5x-3)=7x-12)। वर्ग कोष्ठक के अंदर पहले सरल करें। / Inside (2x-3+3x=5x-3), so (12x-15-(5x-3)=7x-12). Simplify inside the square bracket first.

Which concept should I revise for this Mathematics MCQ?

Inside (2x-3+3x=5x-3), so (12x-15-(5x-3)=7x-12). Simplify inside the square bracket first.

What exam hint can help solve this Mathematics question?

अंदर (2x-3+3x=5x-3), इसलिए (12x-15-(5x-3)=7x-12)। वर्ग कोष्ठक के अंदर पहले सरल करें।