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9. Algebraic Expressions and Identities
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Q5 of 50 Page 9

Find the product of 5x2 × 4x3

5x2 × 4x3


Solution: 5 × x × x × 4 × x × x × x


= 5 × 4 × x5


= 20 × x5


= 20x5


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3

Subtract:

(i) -5xy from 12xy


(ii) 2a2 from -7a2


4

Subtract 3x-4y-7z from the sum of x-3y+2z and -4x+9y-11z.

6

Find the product of (0.5x) x ( 1/3 xy^2z^4 ) x (24x^2yz).

7

Write down the product of 8x2y6 and-20xy verify the product for x=2.5, y=1

Questions · 50
9. Algebraic Expressions and Identities
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