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What is the simplified form of ( (3x+2)(3x-2) )?
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Answer and explanation
Correct answer: \(9x^2-4\)
This is the form \(a^2-b^2\), where \(a=3x\) and \(b=2\). Exam tip: calculate \((3x)^2=9x^2\).
Frequently asked questions
What is the correct answer to this question?
\(9x^2-4\)
Why is this the correct answer?
This is the form \(a^2-b^2\), where \(a=3x\) and \(b=2\). Exam tip: calculate \((3x)^2=9x^2\).
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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