If X = 2 and Y = 1; Find the Value of (-4x2y3) × (-5x2y5). - Mathematics

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Sum

If x = 2 and y = 1; find the value of (−4x2y3) × (−5x2y5).

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Solution

For x = 2 and y = 1

(−4x2y3) × (−5x2y5)

(−4 × 22 × 13) × (−5 × 22 × 15)

(−4 × 4 × 1) × (−5 −4 × 1)

−16 × −20

= 320

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 10 | Page 143
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