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What will be the coefficient of (x) in ( (x+3)(x+8) )?
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Answer and explanation
Correct answer: 11
\((x+3)(x+8)=x^2+8x+3x+24=x^2+11x+24\). Therefore, the coefficient of \(x\) is 11. Here, 24 is the constant term, while 5 is only the difference between the constants. Exam tip: in \((x+a)(x+b)\), the coefficient of \(x\) is \(a+b\).
Frequently asked questions
What is the correct answer to this question?
11
Why is this the correct answer?
\((x+3)(x+8)=x^2+8x+3x+24=x^2+11x+24\). Therefore, the coefficient of \(x\) is 11. Here, 24 is the constant term, while 5 is only the difference between the constants. Exam tip: in \((x+a)(x+b)\), the coefficient of \(x\) is \(a+b\).
Which subject and chapter does this question cover?
This is a Class 9 Mathematics question. Chapter: Exploring Algebraic Identities. Topic: Algebraic identities.
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