Easy Mathematics Quadratic Equations Class 10 Level 29

((2x+1)(x-4)=0) का विस्तृत रूप क्या है?

What is the expanded form of ((2x+1)(x-4)=0)?

Explanation opens after your attempt
Correct Answer

A. \(2x^2-7x-4=0\)

Step 1

Concept

Expanding gives \(2x^2-8x+x-4=0\). Combining like terms gives \(2x^2-7x-4=0\).

Step 2

Why this answer is correct

The correct answer is A. \(2x^2-7x-4=0\). Expanding gives \(2x^2-8x+x-4=0\). Combining like terms gives \(2x^2-7x-4=0\).

Step 3

Exam Tip

विस्तार करने पर \(2x^2-8x+x-4=0\) मिलता है। समान पद जोड़कर \(2x^2-7x-4=0\) बनता है।

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Mathematics Answer, Explanation and Revision Hints

((2x+1)(x-4)=0) का विस्तृत रूप क्या है? / What is the expanded form of ((2x+1)(x-4)=0)?

Correct Answer: A. \(2x^2-7x-4=0\). Explanation: विस्तार करने पर \(2x^2-8x+x-4=0\) मिलता है। समान पद जोड़कर \(2x^2-7x-4=0\) बनता है। / Expanding gives \(2x^2-8x+x-4=0\). Combining like terms gives \(2x^2-7x-4=0\).

Which concept should I revise for this Mathematics MCQ?

Expanding gives \(2x^2-8x+x-4=0\). Combining like terms gives \(2x^2-7x-4=0\).

What exam hint can help solve this Mathematics question?

विस्तार करने पर \(2x^2-8x+x-4=0\) मिलता है। समान पद जोड़कर \(2x^2-7x-4=0\) बनता है।

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