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Find the * please. (2a + ∗)(2a - ∗) = 4a2–b2

Find the * please. (2a + ∗)(2a - ∗) = 4a2–b2
asked 115k views
3 votes
Find the * please.
(2a + ∗)(2a - ∗) = 4a2–b2

asked
User James Thigpen
by
8.2k points

1 Answer

2 votes

Answer:

b

Explanation:

(2a + ★)(2a - ★) =4a²-b²

If you substitute b for ★ in the equation. We have;

(2a + b)(2a - b) = 4a² - b²

4a² - 2ab + 2ab -b² = 4a²-b²

4a²-b²= 4a² - b².

So 'b' is correct

answered
User Henrique Coura
by
8.0k points
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