isaacseth59
isaacseth59 isaacseth59
  • 19-02-2020
  • Mathematics
contestada

Simplify: (m – 3n)2


m2 – 9n2


m2 + 9n2

m2 – 3mn + 9n2

m2 – 6mn + 9n2

Respuesta :

loulou3989
loulou3989 loulou3989
  • 19-02-2020
2m-6n or the last one
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hyperrspace
hyperrspace hyperrspace
  • 19-02-2020

(m - 3m)^2

(m - 3n)(m - 3n)

Use the FOIL method.

First m^2

Outer -3mn

Inner -3mn

Last 9n^2

Equation form:

m^2 - 3mn - 3mn + 9n^2

Simplify terms to get...

m^2 - 6mn + 9n^2

The answer is answer D, m^2 - 6mn + 9n^2.

⭐ Answered by Hyperrspace (Ace) ⭐

⭐ Brainliest would be appreciated, I'm trying to reach genius! ⭐

⭐ If you have questions, leave a comment, I'm happy to help! ⭐

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