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Solving quadratics by factoringx2-4x-25=-4x

1 Answer

2 votes

Answer:

x = ± 5

Explanation:

Given

x² - 4x - 25 = - 4x ( add 4x to both sides )

x² - 25 = 0 ( add 25 to both sides )

x² = 25 ( take the square root of both sides )

x = ±
√(25) = ± 5

User David Ten Hove
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