व्यंजक (x-3(x-2)-x-4+6x) को सरल करने पर कौन सा बहुपद मिलता है?
Which polynomial is obtained by simplifying (x-3(x-2)-x-4+6x)?
Explanation opens after your attempt
B. \(-2x^3+6x\)
Concept
(x-3(x-2)=x-4-2x-3), then \(-x^4\) cancels \(x^4\). The simplified form is \(-2x^3+6x\).
Why this answer is correct
The correct answer is B. \(-2x^3+6x\). (x-3(x-2)=x-4-2x-3), then \(-x^4\) cancels \(x^4\). The simplified form is \(-2x^3+6x\).
Exam Tip
(x-3(x-2)=x-4-2x-3), फिर \(-x^4\) से \(x^4\) कट जाता है। सरल रूप \(-2x^3+6x\) है।
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