Evaluate: X(X – 5) + 2 for X = 1. - Mathematics

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Sum

Evaluate: x(x – 5) + 2 for x = 1.

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Solution

For x = 1

x(x – 5) + 2

1(1 − 5) + 2

−4 + 2

= −2

Concept: Multiplying a Polynomial by a Polynomial
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Chapter 11: Algebraic Expressions - Exercise 11 (C) [Page 143]

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Selina Concise Mathematics Class 8 ICSE
Chapter 11 Algebraic Expressions
Exercise 11 (C) | Q 12.1 | Page 143
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