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19-05-2021
Mathematics

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What can be determined by looking at the polynomial f(x)=(x+3)(x−7)?

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19-05-2021

Answer:

A quadratic equation

Step-by-step explanation:

[tex]f(x) = (x + 3)(x - 7) \\ f(x) = {x}^{2} - 7x + 3x - 21 \\ f(x) = {x}^{2} - 4x - 21[/tex]

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