factor n 4 - 1
n^4 - 1 = (n2 + 1)(n + 1)(n - 1)
Question
Updated 6/25/2016 2:38:11 PM
Edited by jeifunk [6/25/2016 2:38:11 PM]
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n^4 - 1 = (n2 + 1)(n + 1)(n - 1)

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-2x(x 2 - 3)
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Question
Updated 6/21/2016 4:19:51 AM
(2p + 7)(3p - 9)
= 2p*3p + 7*3p - 2p*9 - 7*9
= 6p^2 + 21p - 18p - 63
= 6p^2 + 3p - 63
Confirmed by vchutkan [6/20/2016 10:16:46 PM]
5 + 2{x - 4[3x + 7(2 - x)]}
= 5 + 2{x - 4(3x + 14 - 7x)}
= 5 + 2{x - 4(-4x + 14)}
= 5 + 2{x + 16x - 56}
= 5 + 2{17x - 56}
= 5 + 34x - 112
= 34x - 107
Confirmed by jeifunk [6/21/2016 4:19:31 AM]
y^9 ÷ y^3
= y^6
Confirmed by jeifunk [6/21/2016 4:19:32 AM]
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Question
Updated 6/25/2016 2:37:03 PM
m^4 - n^4 = (m-n) (m+n) (m^2+n^2)
a^3 - 3 + 3a^2 - a = (a + 1)(a - 1)(a + 3)
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Question
Updated 6/25/2016 2:46:19 PM
x^2 - 5x - 14 = (x + 2)(x - 7)
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Question
Updated 6/25/2016 2:39:37 PM
Factor 9y 2 - 12y + 4.
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Question
Updated 6/25/2016 2:41:09 PM
z^2 + 18z + 81 = (z+9)(z+9) = (z+9)^2
33,145,015
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