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Multiplication of Algebraic Expressions

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Question

Calculate the number of terms that you get on simplifying $(3 x + 5) (x - 4)$ .
3

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Solution

The correct option is A 3
Using distributive property,

$(3 x + 5) (x - 4) = 3 x (x - 4) + 5 (x - 4)$
$= 3 x^{2} - 12 x + 5 x - 20 = 3 x^{2} - 7 x - 20$
So, there are 3 terms.

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