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Using the quadratic formula, what are the zeros of f(x) = x² + 4x - 21​

1 Answer

10 votes

Answer:

x = 3 and x = -7

Explanation:

I’ve attached my work!

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Using the quadratic formula, what are the zeros of f(x) = x² + 4x - 21​-example-1
User Anticro
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