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Question

Which of the following polynomial is the result of given polynomial expression?
(2x21)(4x3+5x2)

A
8x5+10x44x35x2
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B
8x2+10x34x3+5x2
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C
x3+10x4+4x35x2
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D
x510x44x35x2
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Solution

The correct option is B 8x5+10x44x35x2
(2x21)(4x3+5x2)

=8x5+10x44x35x2

Hence option A is the answer.

A polynomial is an expression consisting of variables and coefficient, that involves only the operations of addition, subtraction and multiplication, and non-negative integer exponents.
This is a polynomial.

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