Find the product mentally. (2j + 7)(2j - 7)
Question
Updated 8/7/2016 11:34:30 PM
Edited by jeifunk [8/7/2016 11:34:29 PM], Confirmed by jeifunk [8/7/2016 11:34:30 PM]
s
Original conversation
User: Find the product mentally. (2j + 7)(2j - 7)

Weegy: (2j + 7)(2j - 7) = 4j^2 - 49

User: Find the product mentally. (z - 12)(z + 12)

Weegy: Find the product mentally. (z - 12)(z + 12) z^2 - 144
scorpionsheep|Points 100|

User: Find the product mentally. (2m - 9)2

Weegy: (2m - 9)^2
= (2m - 9)(2m - 9)
= 4m^2 - 36m + 81

User: Select the correct product. (a + 8)(b + 3)

User: Find the product mentally. [(x + 1)(x - 1)]2

Question
Updated 8/7/2016 11:34:30 PM
Edited by jeifunk [8/7/2016 11:34:29 PM], Confirmed by jeifunk [8/7/2016 11:34:30 PM]
Rating
3
[(x + 1)(x - 1)]^2
= (x2 - 1) * (x2 - 1)
= x^4 - 2x^2 + 1
3
(a + 8)(b + 3) = ab + 3a + 8b + 24

Questions asked by the same visitor
48j 5 k 2 ÷ (-3j 3 k)
Weegy: 48j^5 k^2 / (-3j^3k) = - 48j2k/3 = - 16j2k User: Factor 2x 2 - 10x + 8 completely (More)
Question
Updated 8/7/2016 10:57:53 PM
2x2 - 10x + 8 = 2(x - 1)(x - 4)
Find the product mentally. (ab + 3)(ab - 3)
Weegy: (ab + 3)(ab - 3) = a^2b^2 - 3ab + 3ab - 9; = a^2b^2 - 9 (More)
Question
Updated 8/7/2016 11:32:22 PM
3a2 * 2a3
Weegy: 3a^2 * 2a^3 = 6a^5 User: Find the product. a 4(3a 2 - 2a + 1) Weegy: a^4(3a^2 - 2a + 1) = a^4*3a^2 - a^4*2a + a^4 = 3a^6 - 2a^5 + a^4 User: -4x 3 y 2(7xy 4) Weegy: -4x^3y^2(7xy^4) = -28x^4y^6 User: Simplify (8m - 4n) + (6m + 3n). Weegy: (8m - 4n) + (6m + 3n) = 8m - 4n + 6m + 3n; = 14m - n User: Find the product. -7(8 + k) Weegy: -7(8 + k) (-7)(8) + (-7)(k) = -56 - 7k User: Find the product. 3(m + n) (More)
Question
Updated 8/7/2016 11:42:20 PM
3(m+n) = 3m + 3n
3(m+n)
= 3(m) + 3 (n)
= 3m + 3n
Confirmed by jeifunk [8/7/2016 11:42:26 PM], Rated good by jeifunk
Simplify: 76 ÷ 72.
Updated 8/10/2016 9:54:59 PM
76 ÷ 72 = 19/18
32,287,233
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