किस विकल्प में (2x+3) और (5x-9) के अंतर (2x+3-(5x-9)) का सही रूप है?
Which option gives the correct form of the difference (2x+3-(5x-9))?
Explanation opens after your attempt
C. (-3x+12)
Concept
Changing signs of the subtracted expression gives (2x+3-5x+9=-3x+12). Change signs carefully while removing brackets.
Why this answer is correct
The correct answer is C. (-3x+12). Changing signs of the subtracted expression gives (2x+3-5x+9=-3x+12). Change signs carefully while removing brackets.
Exam Tip
घटाए गए व्यंजक के चिह्न बदलने पर (2x+3-5x+9=-3x+12) मिलता है। कोष्ठक हटाते समय चिह्न ध्यान से बदलें।
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