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20-09-2022
Mathematics

contestada

Find the value of y is x = -3

y = 4x² + 2x - 9

Respuesta :

Imnotjackie Imnotjackie

20-09-2022

Determine the sign multiply

4x(-3)^2+2x(-3)-9

Evaluate

4x3^2-6-9

Multiply

4x9-6-9

Calculate

36-6-9

Answer : Y = 21 or 21

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