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