किस विकल्प में \(5x^2-3x+8\) में से \(2x^2-7x-6\) घटाने का सही परिणाम है?
Which option gives the correct result of subtracting \(2x^2-7x-6\) from \(5x^2-3x+8\)?
Explanation opens after your attempt
A. \(3x^2+4x+14\)
Concept
(\(5x^2-3x+8\)-\(2x^2-7x-6\)=3x-2+4x+14). Change all signs of the second expression while subtracting.
Why this answer is correct
The correct answer is A. \(3x^2+4x+14\). (\(5x^2-3x+8\)-\(2x^2-7x-6\)=3x-2+4x+14). Change all signs of the second expression while subtracting.
Exam Tip
(\(5x^2-3x+8\)-\(2x^2-7x-6\)=3x-2+4x+14)। घटाते समय दूसरे व्यंजक के सभी चिह्न बदलें।
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