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What is the expansion of \(6(2x+5)\)?
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Answer and explanation
Correct answer: \(12x+30\)
Using the distributive law, \(6(2x+5)=6\times2x+6\times5=12x+30\). Therefore, option B is correct. Remember to multiply the factor outside the bracket by every term inside it; multiplying only \(2x\) is a common mistake.
Frequently asked questions
What is the correct answer to this question?
\(12x+30\)
Why is this the correct answer?
Using the distributive law, \(6(2x+5)=6\times2x+6\times5=12x+30\). Therefore, option B is correct. Remember to multiply the factor outside the bracket by every term inside it; multiplying only \(2x\) is a common mistake.
Which subject and chapter does this question cover?
This is a Class 10 Mathematics question. Chapter: Polynomials. Topic: Operations on real numbers and the laws of exponents.
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