user173947394 user173947394

08-03-2021
Mathematics

contestada

evaluate the expression below when x = 7 and y = 8

5x² - 3y

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Respuesta :

mahathrir mahathrir

08-03-2021

Answer:

25x-3y

Step-by-step explanation:

it is because 5x5 is 25 so and it is simply so 25x-3y

Answer Link

24hannahcrume 24hannahcrume

08-03-2021

Answer:

221

Step-by-step explanation:

5(7) squared= 245

-3(8)=-24

245- 24= 221

:)

Answer Link

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