Math!! Pls help Which expression is equivalent to x^2 - 4x -45

asked Feb 23, 2021 3.3k views

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Math!! Pls help

Which expression is equivalent to x^2 - 4x -45

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Answer:

Explanation:

x^2-4x-45

(x-9)(x+5)

What two numbers when multiplied make the -45 and when added make the -4? -9 and +5

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