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What is the simplified form of ( (3x+2)^2-(3x-2)^2+(x+5)(x-5) )?
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Answer and explanation
Correct answer: (x^2+24x-25)
The difference of the first two squares is (24x), and ( (x+5)(x-5)=x^2-25 ). Exam tip: combine identities while solving.
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What is the correct answer to this question?
(x^2+24x-25)
Why is this the correct answer?
The difference of the first two squares is (24x), and ( (x+5)(x-5)=x^2-25 ). Exam tip: combine identities while solving.
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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