Respuesta :

devishri1977

Answer:

Step-by-step explanation:

Use FOIL method.

(x - 5)(x - 4) = x*x + x*(-4) + (-5)*x + (-5)*(-4)

        =x² - 4x - 5x + 20

        = x² - 9x + 20

HyperFox25UwU

Answer:

x to the second power + 9x + 20

Step-by-step explanation:

first you distribute (X - 5) to (x - 4)

you get X to the second power and 4x then 5x and 20

add like terms (4x + 5x) your answer should be x to the second power + 9x + 20

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