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

User Florida Man
by
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1 Answer

4 votes

Answer:

4x² - 20x + 25

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.

User Charlette
by
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