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35 votes
35 votes
Which quadratic equation is equivalent to (x + 2)^2 + 5(x + 2) - 6 = 0?

User Ted Lowery
by
2.9k points

1 Answer

22 votes
22 votes

Answer:


x^2 + 9x + 8 = 0

Explanation:

First, we have to simplify this quadratic equation:

(x+2)^2 + 5(x+2) - 6 = 0

x^2 + 4x + 4 + 5x + 10 - 6 = 0

x^2 + 9x + 8 = 0

User Krzysztof Szularz
by
3.6k points
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