poopystinky poopystinky

13-11-2019
Mathematics

contestada

12a - 3b2, when a=9, b=4

Respuesta :

PhillSwift PhillSwift

13-11-2019

Answer:

84

Step-by-step explanation:

substitute in the numbers so its 12x9 - 3x4x2

108 - 24 = 84

Answer Link

jackenbeast jackenbeast

13-11-2019

Step-by-step explanation:

Write out equation

12a-3b2

Sub in variables and add needed signs

12×9-3×4×2

Solve multiplication

108-24

Finally, subtract

84

Answer Link

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