Evaluate: Xy2(X – 5y) + 1 for X = 2 and Y = 1.

Evaluate: xy²(x – 5y) + 1 for x = 2 and y = 1.

Sum

For x = 2 and y = 1

xy²(x – 5y) + 1

2 × 1²(2 − 5 × 1) + 1

2 × (2 − 5) + 1

2 × (−3) + 1

= −5

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Multiplying a Polynomial by a Polynomial

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Chapter 11: Algebraic Expressions - Exercise 11 (C) [Page 143]

Chapter 11 Algebraic Expressions
Exercise 11 (C) | Q 12.2 | Page 143

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