कौन-सा व्यंजक (5x+2x-4) के समान है?
Which expression is equivalent to (5x+2x-4)?
Explanation opens after your attempt
D. (7x-4)
Concept
(5x) and (2x) are like terms, so their sum is (7x). The constant term (-4) remains separate.
Why this answer is correct
The correct answer is D. (7x-4). (5x) and (2x) are like terms, so their sum is (7x). The constant term (-4) remains separate.
Exam Tip
(5x) और (2x) समान पद हैं इसलिए उनका योग (7x) है। स्थिर पद (-4) अलग रहता है।
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