Expert Mathematics Quadratic Equations Class 10 Level 36

\(8x^2-23x-15=0\) को हल करने में कौनसा गुणनखंड रूप सही है?

Which factorised form is correct for solving \(8x^2-23x-15=0\)?

Explanation opens after your attempt
Correct Answer

A. ((8x+5)(x-3)=0)

Step 1

Concept

((8x+5)(x-3)=8x-2-19x-15), so it is not for the given equation. In exams, verify each option by expansion.

Step 2

Why this answer is correct

The correct answer is A. ((8x+5)(x-3)=0). ((8x+5)(x-3)=8x-2-19x-15), so it is not for the given equation. In exams, verify each option by expansion.

Step 3

Exam Tip

((8x+5)(x-3)=8x-2-19x-15) नहीं बल्कि यह विस्तार गलत होगा; सही गुणनखंड ((8x+5)(x-3)) से (-24x+5x=-19x) बनता है। परीक्षा में विस्तार से हर विकल्प जांचें।

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Mathematics Answer, Explanation and Revision Hints

\(8x^2-23x-15=0\) को हल करने में कौनसा गुणनखंड रूप सही है? / Which factorised form is correct for solving \(8x^2-23x-15=0\)?

Correct Answer: A. ((8x+5)(x-3)=0). Explanation: ((8x+5)(x-3)=8x-2-19x-15) नहीं बल्कि यह विस्तार गलत होगा; सही गुणनखंड ((8x+5)(x-3)) से (-24x+5x=-19x) बनता है। परीक्षा में विस्तार से हर विकल्प जांचें। / ((8x+5)(x-3)=8x-2-19x-15), so it is not for the given equation. In exams, verify each option by expansion.

Which concept should I revise for this Mathematics MCQ?

((8x+5)(x-3)=8x-2-19x-15), so it is not for the given equation. In exams, verify each option by expansion.

What exam hint can help solve this Mathematics question?

((8x+5)(x-3)=8x-2-19x-15) नहीं बल्कि यह विस्तार गलत होगा; सही गुणनखंड ((8x+5)(x-3)) से (-24x+5x=-19x) बनता है। परीक्षा में विस्तार से हर विकल्प जांचें।

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