एक आयत मॉडल में भाग \(x^2\), (-4x), (3x) और (-12) हैं। यह किस गुणन को दिखाता है?
A rectangle model has parts \(x^2\), (-4x), (3x), and (-12). Which multiplication does it show?
Explanation opens after your attempt
A. ((x-4)(x+3))
Concept
The number parts are (-4) and (3), whose product is (-12) and whose (x)-terms sum to (-x). Exam tip: read rectangle parts with signs.
Why this answer is correct
The correct answer is A. ((x-4)(x+3)). The number parts are (-4) and (3), whose product is (-12) and whose (x)-terms sum to (-x). Exam tip: read rectangle parts with signs.
Exam Tip
संख्या भाग (-4) और (3) हैं, जिनका गुणन (-12) और (x) पदों का योग (-x) देता है। परीक्षा में चिन्हों के साथ आयत भाग पढ़ें।
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