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18-12-2019
Mathematics

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19 Find the sum of (x + 5).(-4x - 2), and (2x – 1).

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20-12-2019

Answer:

Step-by-step explanation:

Sum of (x + 5).(-4x - 2), and (2x – 1).

= (x + 5) × (-4x - 2) + (2x – 1)

= -20x^2 -2x - 20x -10 + 2x - 1

= -20x^2 - 20x - 11

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