( (x+3)(x+7)-x-2 ) का सरल रूप क्या है?

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

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

A. (10x+21)

Step 1

Concept

( (x+3)(x+7)=x-2+10x+21 ). Subtracting \(x^2\) leaves (10x+21).

Step 2

Why this answer is correct

The correct answer is A. (10x+21). ( (x+3)(x+7)=x-2+10x+21 ). Subtracting \(x^2\) leaves (10x+21).

Step 3

Exam Tip

( (x+3)(x+7)=x-2+10x+21 ) है। \(x^2\) घटाने पर (10x+21) बचता है।

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Mathematics Answer, Explanation and Revision Hints

( (x+3)(x+7)-x-2 ) का सरल रूप क्या है? / What is the simplified form of ( (x+3)(x+7)-x-2 )?

Correct Answer: A. (10x+21). Explanation: ( (x+3)(x+7)=x-2+10x+21 ) है। \(x^2\) घटाने पर (10x+21) बचता है। / ( (x+3)(x+7)=x-2+10x+21 ). Subtracting \(x^2\) leaves (10x+21).

Which concept should I revise for this Mathematics MCQ?

( (x+3)(x+7)=x-2+10x+21 ). Subtracting \(x^2\) leaves (10x+21).

What exam hint can help solve this Mathematics question?

( (x+3)(x+7)=x-2+10x+21 ) है। \(x^2\) घटाने पर (10x+21) बचता है।