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Multiply -4xy3 And 6x2y and Verify Your Result for X = 2 and Y= 1. - Mathematics

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Sum

Multiply -4xy3 and 6x2y and verify your result for x = 2 and y= 1.

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Solution

(−4xy3) × (6x2y) = (−4 × 6) (x x x2) (y3 x y)

= −24x3y4
For x = 2 and y = 1

(−4xy3) × (6x2y) = (−4 × 2 × 13) × (6 × 22 × 1)

= (−8) × 24 = −192

And, −24x3y4 = −24 × 23 × 14

= −24 × 8 × 1 = −192

∴ For x = 2 and y = 1, it is verified that
(−4xy3) × (6x2y) = −24x3y4

Concept: Multiplying a Polynomial by a Polynomial
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APPEARS IN

Selina Concise Mathematics Class 8 ICSE
Chapter 11 Algebraic Expressions
Exercise 11 (C) | Q 6 | Page 143
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