व्यंजक (2x(3x+1)-x(4x-5)) का सरल रूप क्या है?
What is the simplified form of (2x(3x+1)-x(4x-5))?
Explanation opens after your attempt
A. \(2x^2+7x\)
Concept
Expanding gives \(6x^2+2x-4x^2+5x=2x^2+7x\). Expand each bracket separately.
Why this answer is correct
The correct answer is A. \(2x^2+7x\). Expanding gives \(6x^2+2x-4x^2+5x=2x^2+7x\). Expand each bracket separately.
Exam Tip
खोलने पर \(6x^2+2x-4x^2+5x=2x^2+7x\) मिलता है। हर कोष्ठक को अलग से खोलें।
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