(4x-2-7x+6-\(2x^2-5x-3\)) को सरल करने पर क्या मिलेगा?
What is obtained after simplifying (4x-2-7x+6-\(2x^2-5x-3\))?
Explanation opens after your attempt
A. \(2x^2-2x+9\)
Concept
Signs change when the bracket is subtracted. The simplified form is \(4x^2-7x+6-2x^2+5x+3=2x^2-2x+9\).
Why this answer is correct
The correct answer is A. \(2x^2-2x+9\). Signs change when the bracket is subtracted. The simplified form is \(4x^2-7x+6-2x^2+5x+3=2x^2-2x+9\).
Exam Tip
कोष्ठक घटाने पर अंदर के चिन्ह बदलते हैं। सरल रूप \(4x^2-7x+6-2x^2+5x+3=2x^2-2x+9\) है।
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