व्यंजक (2a-3[4a-2(a-5)]) का सही सरल रूप कौन सा है?
Which is the correct simplified form of (2a-3[4a-2(a-5)])?
Explanation opens after your attempt
B. (-4a-30)
Concept
Inside (4a-2(a-5)=2a+10). Therefore (2a-3(2a+10)=-4a-30).
Why this answer is correct
The correct answer is B. (-4a-30). Inside (4a-2(a-5)=2a+10). Therefore (2a-3(2a+10)=-4a-30).
Exam Tip
अंदर (4a-2(a-5)=2a+10) है। इसलिए (2a-3(2a+10)=-4a-30)।
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