Medium Mathematics Quadratic Equations Class 10 Level 29

समीकरण ((x-3)2+2(x-3)-8=0) को सरल करने पर कौन-सा द्विघात समीकरण मिलेगा?

Which quadratic equation is obtained by simplifying ((x-3)2+2(x-3)-8=0)?

Explanation opens after your attempt
Correct Answer

A. \(x^2-4x-5=0\)

Step 1

Concept

((x-3)2=x-2-6x+9) and (2(x-3)=2x-6). Simplifying gives \(x^2-4x-5=0\).

Step 2

Why this answer is correct

The correct answer is A. \(x^2-4x-5=0\). ((x-3)2=x-2-6x+9) and (2(x-3)=2x-6). Simplifying gives \(x^2-4x-5=0\).

Step 3

Exam Tip

((x-3)2=x-2-6x+9) है और (2(x-3)=2x-6) है। सरल करने पर \(x^2-4x-5=0\) मिलता है।

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समीकरण ((x-3)2+2(x-3)-8=0) को सरल करने पर कौन-सा द्विघात समीकरण मिलेगा? / Which quadratic equation is obtained by simplifying ((x-3)2+2(x-3)-8=0)?

Correct Answer: A. \(x^2-4x-5=0\). Explanation: ((x-3)2=x-2-6x+9) है और (2(x-3)=2x-6) है। सरल करने पर \(x^2-4x-5=0\) मिलता है। / ((x-3)2=x-2-6x+9) and (2(x-3)=2x-6). Simplifying gives \(x^2-4x-5=0\).

Which concept should I revise for this Mathematics MCQ?

((x-3)2=x-2-6x+9) and (2(x-3)=2x-6). Simplifying gives \(x^2-4x-5=0\).

What exam hint can help solve this Mathematics question?

((x-3)2=x-2-6x+9) है और (2(x-3)=2x-6) है। सरल करने पर \(x^2-4x-5=0\) मिलता है।

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