\(x^2+7x+12+xy+3y\) को समूहन से गुणनखंडित कीजिए।
Factorise \(x^2+7x+12+xy+3y\) by grouping.
Explanation opens after your attempt
B. ((x+4)(x+3+y))
Concept
(x-2+7x+12=(x+3)(x+4)) and (xy+3y=y(x+3)). In exams, take common ((x+3)) outside.
Why this answer is correct
The correct answer is B. ((x+4)(x+3+y)). (x-2+7x+12=(x+3)(x+4)) and (xy+3y=y(x+3)). In exams, take common ((x+3)) outside.
Exam Tip
(x-2+7x+12=(x+3)(x+4)) और (xy+3y=y(x+3)) है। परीक्षा में समान ((x+3)) को बाहर लें।
Login to save your score, XP, coins and progress.
