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04-03-2020
Mathematics

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Multiplying Polynomials :

(X + 4)(X - 1/2)

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04-03-2020

Answer:

2x²+7x-4

Step-by-step explanation:

(x+4)(x-1/2)

First multiply (x-1/2) by 2.

We have (2x-1)

(x+4)(2x-1)

Expanding it, we have

x(2x-1)+4(2x-1)

2x²-x+8x-4

2x²+7x-4

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