कौन-सा आयत मॉडल \(2x^2+x-15\) को सही ढंग से दिखाता है?
Which rectangle model correctly represents \(2x^2+x-15\)?
Explanation opens after your attempt
A. ((2x-5)(x+3))model
Concept
((2x-5)(x+3)=2x-2+6x-5x-15=2x-2+x-15). In exams strips with opposite signs subtract to form the middle term.
Why this answer is correct
The correct answer is A. ((2x-5)(x+3)) / model. ((2x-5)(x+3)=2x-2+6x-5x-15=2x-2+x-15). In exams strips with opposite signs subtract to form the middle term.
Exam Tip
((2x-5)(x+3)=2x-2+6x-5x-15=2x-2+x-15) है। परीक्षा में विपरीत चिन्ह वाली पट्टियां घटकर मध्य पद बनाती हैं।
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