यदि (p(x)=7x-3) और (q(x)=4x+5), तो (2p(x)-3q(x)) क्या है?
If (p(x)=7x-3) and (q(x)=4x+5), what is (2p(x)-3q(x))?
Explanation opens after your attempt
A. (2x-21)
Concept
(2(7x-3)-3(4x+5)=2x-21). Multiply first and then combine like terms.
Why this answer is correct
The correct answer is A. (2x-21). (2(7x-3)-3(4x+5)=2x-21). Multiply first and then combine like terms.
Exam Tip
(2(7x-3)-3(4x+5)=2x-21) है। गुणा करने के बाद समान पद मिलाएं।
Login to save your score, XP, coins and progress.
