ryuliana267 ryuliana267

03-11-2020
Mathematics

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What does this equal too(2x-5)^2

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gamingexlirs gamingexlirs

03-11-2020

Answer:

4x² - 20x + 25

Step-by-step explanation:

(2x-5)² means (2x-5)(2x-5)

Expand the brackets.

1. do 2x times 2x = 4x²

2. do 2x times -5 = -10x

3. -5 times 2x = -10x

4. -5 times -5 = 25

Altogether it is 4x² - 10x - 10x + 25

This simplifies to 4x² -20x + 25.

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