"Question 3 Complete the table of products.
First Monomial → 2x − 5y 3x^2 − 4xy 7x^2y − 9x^2y^2
Second Monomial ↓
2x 4x^2 … … … … …
− 5y … … − 15x^2y … … …
3x^2 … … … … … …
− 4xy … … … … … …
7x^2y … … … … … …
− 9x2y2 … … … … … …
Class 8 Algebraic Expressions and Identities Page 144"
Answers
Algebraic expressions:
A combination of constants and variables connected by any or all of the four fundamental operations +, -,×,÷ is called an algebraic expression
Monomials:
A monomial is a one term algebraic expression .
Multiplication of algebraic expression:
The product of two factors with like signs is positive and the product of two factors with unlike signs is negative.
Multiplication of monomials:
The coefficient of the product of two monomials is equal to the product of their coefficients and the variable part in the product is equal to the product of the variable in the given monomials.
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Solution is in the attachment
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Hope this will help you....
