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Class 9 Mathematics Exploring Algebraic Identities Algebraic identitiesExpert

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What is the value of ( (x+3)(x+8)-(x+4)(x+7) )?

Answer and explanation

Correct answer: (-2)

The first is (x^2+11x+24) and the second is (x^2+11x+28). Exam tip: cancel like terms and check the constant difference.

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Binomial Product Comparison Simplification Algebraic Identities Exploring Algebraic Identities Mathematics Class 9 Mcq

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