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))?

Author: Muft Shiksha Editorial Team Published:
Explanation opens after your attempt
Correct Answer

A. (2x-21)

Step 1

Concept

(2(7x-3)-3(4x+5)=2x-21). Multiply first and then combine like terms.

Step 2

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.

Step 3

Exam Tip

(2(7x-3)-3(4x+5)=2x-21) है। गुणा करने के बाद समान पद मिलाएं।

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Mathematics Answer, Explanation and Revision Hints

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))?

Correct Answer: A. (2x-21). Explanation: (2(7x-3)-3(4x+5)=2x-21) है। गुणा करने के बाद समान पद मिलाएं। / (2(7x-3)-3(4x+5)=2x-21). Multiply first and then combine like terms.

Which concept should I revise for this Mathematics MCQ?

(2(7x-3)-3(4x+5)=2x-21). Multiply first and then combine like terms.

What exam hint can help solve this Mathematics question?

(2(7x-3)-3(4x+5)=2x-21) है। गुणा करने के बाद समान पद मिलाएं।