# Ex.9.3 Q2 Algebraic Expressions and Identities - NCERT Maths Class 8

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## Question

Complete the table

 --- First expression Second Expression Product (i) $$a$$ $$b + c + d$$ --- (ii) $$x + y - 5$$ $$5xy$$ --- (iii) $$p$$ $$6{p^2} - 7p + 5$$ --- (iv) $$4{p^2}{q^2}$$ $${p^2} - {q^2}$$ --- (v) $$a + b + c$$ $$abc$$ ---

## Text Solution

What is known?

Expressions

What is unknown?

Product

Steps:

The table can be completed as follows.

 --- First expression Second Expression Product (i) $$a$$ $$b + c + d$$ $$ab + ac + ad$$ (ii) $$x + y - 5$$ $$5xy$$ $$5{x^2}y + 5x{y^2} - 25xy$$ (iii) $$p$$ $$6{p^2} - 7p + 5$$ $$6{p^3} - 7{p^2} + 5p$$ (iv) $$4{p^2}{q^2}$$ $${p^2} - {q^2}$$ $$4{p^4}{q^2} - 4{p^2}{q^4}$$ (v) $$a + b + c$$ $$abc$$ $${a^2}bc + a{b^2}c + ab{c^2}$$

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