Easy Mathematics Quadratic Equations Class 10 Level 28

((x-4)(x+1)=0) का मानक रूप कौन सा है?

Which is the standard form of ((x-4)(x+1)=0)?

Explanation opens after your attempt
Correct Answer

A. \(x^2-3x-4=0\)

Step 1

Concept

Expanding gives \(x^2+x-4x-4=0\). So \(x^2-3x-4=0\) is correct.

Step 2

Why this answer is correct

The correct answer is A. \(x^2-3x-4=0\). Expanding gives \(x^2+x-4x-4=0\). So \(x^2-3x-4=0\) is correct.

Step 3

Exam Tip

विस्तार करने पर \(x^2+x-4x-4=0\) मिलता है। इसलिए \(x^2-3x-4=0\) सही है।

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Mathematics Answer, Explanation and Revision Hints

((x-4)(x+1)=0) का मानक रूप कौन सा है? / Which is the standard form of ((x-4)(x+1)=0)?

Correct Answer: A. \(x^2-3x-4=0\). Explanation: विस्तार करने पर \(x^2+x-4x-4=0\) मिलता है। इसलिए \(x^2-3x-4=0\) सही है। / Expanding gives \(x^2+x-4x-4=0\). So \(x^2-3x-4=0\) is correct.

Which concept should I revise for this Mathematics MCQ?

Expanding gives \(x^2+x-4x-4=0\). So \(x^2-3x-4=0\) is correct.

What exam hint can help solve this Mathematics question?

विस्तार करने पर \(x^2+x-4x-4=0\) मिलता है। इसलिए \(x^2-3x-4=0\) सही है।

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