sosokat35 sosokat35

19-11-2020
Mathematics

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Math!! Pls help

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

Math Pls help Which expression is equivalent to x2 4x 45 class=

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Izzy1974 Izzy1974

19-11-2020

Answer:

D

Step-by-step 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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