Medium Mathematics Quadratic Equations Class 10 Level 29

समीकरण ((x+2)(x-7)=3x) का मानक रूप क्या है?

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

Explanation opens after your attempt
Correct Answer

A. \(x^2-8x-14=0\)

Step 1

Concept

The left side gives \(x^2-5x-14\). Subtracting (3x) gives \(x^2-8x-14=0\).

Step 2

Why this answer is correct

The correct answer is A. \(x^2-8x-14=0\). The left side gives \(x^2-5x-14\). Subtracting (3x) gives \(x^2-8x-14=0\).

Step 3

Exam Tip

बाईं ओर \(x^2-5x-14\) मिलता है। (3x) को घटाने पर \(x^2-8x-14=0\) बनता है।

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Mathematics Answer, Explanation and Revision Hints

समीकरण ((x+2)(x-7)=3x) का मानक रूप क्या है? / What is the standard form of ((x+2)(x-7)=3x)?

Correct Answer: A. \(x^2-8x-14=0\). Explanation: बाईं ओर \(x^2-5x-14\) मिलता है। (3x) को घटाने पर \(x^2-8x-14=0\) बनता है। / The left side gives \(x^2-5x-14\). Subtracting (3x) gives \(x^2-8x-14=0\).

Which concept should I revise for this Mathematics MCQ?

The left side gives \(x^2-5x-14\). Subtracting (3x) gives \(x^2-8x-14=0\).

What exam hint can help solve this Mathematics question?

बाईं ओर \(x^2-5x-14\) मिलता है। (3x) को घटाने पर \(x^2-8x-14=0\) बनता है।

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