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Class 9 Mathematics Exploring Algebraic Identities Quadratic expressionsHardLevel 74

Which relation is correct between ((x-1)(x-9)) and ((x-5)^2)?

Answer and explanation

Correct answer: ((x-5)^2) is greater than the first by (16)

((x-1)(x-9)=x^2-10x+9) and ((x-5)^2=x^2-10x+25). Exam tip: remove common terms and compare constants.

Tags

comparisonquadratic expressionscompleted square

Frequently asked questions

What is the correct answer to this question?

((x-5)^2) is greater than the first by (16)

Why is this the correct answer?

((x-1)(x-9)=x^2-10x+9) and ((x-5)^2=x^2-10x+25). Exam tip: remove common terms and compare constants.

Which subject and chapter does this question cover?

This is a Class 9 Mathematics question. Chapter: Exploring Algebraic Identities. Topic: Quadratic expressions.

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