व्यंजक (3x(4x-5)-2x(5x+1)) का सरल रूप क्या है?

What is the simplified form of (3x(4x-5)-2x(5x+1))?

Author: Muft Shiksha Editorial Team Published:
Explanation opens after your attempt
Correct Answer

B. \(2x^2-17x\)

Step 1

Concept

Expanding gives \(12x^2-15x-10x^2-2x=2x^2-17x\). Do each multiplication separately.

Step 2

Why this answer is correct

The correct answer is B. \(2x^2-17x\). Expanding gives \(12x^2-15x-10x^2-2x=2x^2-17x\). Do each multiplication separately.

Step 3

Exam Tip

खोलने पर \(12x^2-15x-10x^2-2x=2x^2-17x\) मिलता है। हर गुणन को अलग से करें।

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Mathematics Answer, Explanation and Revision Hints

व्यंजक (3x(4x-5)-2x(5x+1)) का सरल रूप क्या है? / What is the simplified form of (3x(4x-5)-2x(5x+1))?

Correct Answer: B. \(2x^2-17x\). Explanation: खोलने पर \(12x^2-15x-10x^2-2x=2x^2-17x\) मिलता है। हर गुणन को अलग से करें। / Expanding gives \(12x^2-15x-10x^2-2x=2x^2-17x\). Do each multiplication separately.

Which concept should I revise for this Mathematics MCQ?

Expanding gives \(12x^2-15x-10x^2-2x=2x^2-17x\). Do each multiplication separately.

What exam hint can help solve this Mathematics question?

खोलने पर \(12x^2-15x-10x^2-2x=2x^2-17x\) मिलता है। हर गुणन को अलग से करें।