Simplify (3n – 2m)^2 = ?
Question
Asked 161 days ago|7/10/2018 8:34:04 AM
Updated 161 days ago|7/10/2018 1:31:11 PM
Edited by Masamune [7/10/2018 1:27:40 PM], Confirmed by Masamune [7/10/2018 1:27:44 PM], Edited by Masamune [7/10/2018 1:27:53 PM], Followed by lubowa, Unfollowed by lubowa, Followed by samroen
Original conversation
User: (5 + 4 – 2) × (–2) = ?

User: Simplify 12 - (-8) × 4 = ?

User: Simplify (3n – 2m)^2 = ?

Weegy: (3n – 2m)^2 = (3n - 2m)(3n - 2m) = 9n^2 - 6mn - 6mn + 4m^2 = 9n^2 - 12mn + 4m^2 = 4m^2 - 12mn + 9n^2

User: Simplify (6 + 5x) + (7x + 3)

User: Evaluate m + n^2 if we know m = 2 and n = –2.

Question
Asked 161 days ago|7/10/2018 8:34:04 AM
Updated 161 days ago|7/10/2018 1:31:11 PM
Edited by Masamune [7/10/2018 1:27:40 PM], Confirmed by Masamune [7/10/2018 1:27:44 PM], Edited by Masamune [7/10/2018 1:27:53 PM], Followed by lubowa, Unfollowed by lubowa, Followed by samroen
Rating
3
(5 + 4 – 2) × (–2) = ?
= (9 - 2) x (-2)
= 7 x (-2)
= -14
Added 161 days ago|7/10/2018 1:28:42 PM
3
12 - (-8) x 4
= 12 + 8 x 4
= 12 + 32
= 44
Added 161 days ago|7/10/2018 1:29:30 PM
3
(6 + 5x) + (7x + 3)
= 5x + 7x + 6 + 3
= 12x + 9
Added 161 days ago|7/10/2018 1:30:16 PM
3
m + n^2, m = 2 and n = –2
2 + (-2)^2
= 2 + 4
= 6
Added 161 days ago|7/10/2018 1:31:11 PM

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