( (2x+3)(2x-7) ) का विस्तार क्या है?

What is the expansion of ( (2x+3)(2x-7) )?

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

A. \(4x^2-8x-21\)

Step 1

Concept

( (2x)(2x)=4x-2 ), ( -14x+6x=-8x ), and \(3\times(-7)=-21\). Exam tip: combine like terms.

Step 2

Why this answer is correct

The correct answer is A. \(4x^2-8x-21\). ( (2x)(2x)=4x-2 ), ( -14x+6x=-8x ), and \(3\times(-7)=-21\). Exam tip: combine like terms.

Step 3

Exam Tip

( (2x)(2x)=4x-2 ), ( -14x+6x=-8x ), और \(3\times(-7)=-21\)। परीक्षा में समान पद जोड़ें।

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Mathematics Answer, Explanation and Revision Hints

( (2x+3)(2x-7) ) का विस्तार क्या है? / What is the expansion of ( (2x+3)(2x-7) )?

Correct Answer: A. \(4x^2-8x-21\). Explanation: ( (2x)(2x)=4x-2 ), ( -14x+6x=-8x ), और \(3\times(-7)=-21\)। परीक्षा में समान पद जोड़ें। / ( (2x)(2x)=4x-2 ), ( -14x+6x=-8x ), and \(3\times(-7)=-21\). Exam tip: combine like terms.

Which concept should I revise for this Mathematics MCQ?

( (2x)(2x)=4x-2 ), ( -14x+6x=-8x ), and \(3\times(-7)=-21\). Exam tip: combine like terms.

What exam hint can help solve this Mathematics question?

( (2x)(2x)=4x-2 ), ( -14x+6x=-8x ), और \(3\times(-7)=-21\)। परीक्षा में समान पद जोड़ें।