x2 - 5x - 6
Question
Asked 1/24/2013 2:29:12 PM
Updated 9/1/2014 7:27:46 AM
This conversation has been flagged as incorrect.
Flagged by yeswey [5/29/2014 9:58:42 AM]
g
Original conversation
User: (x + 2y - 4z) - (x - 6y + 3z)

User: Simplify the expression. 5(x - 1) - 4(x2 + 4x + 5) - 9(x + 7)

User: x2 - 5x - 6

Weegy: X5.5x4.X3
net007mx|Points 50|

Question
Asked 1/24/2013 2:29:12 PM
Updated 9/1/2014 7:27:46 AM
This conversation has been flagged as incorrect.
Flagged by yeswey [5/29/2014 9:58:42 AM]
Rating
3
(x + 2y - 4z) - (x - 6y + 3z)
= x + 2y - 4z - x + 6y - 3z
= (x - x) + (2y + 6y) + (-4z - 3z)
= 8y - 7z
Added 5/29/2014 9:57:03 AM
This answer has been confirmed as correct and helpful.
Confirmed by jeifunk [5/29/2014 10:12:01 AM]
3
5(x - 1) - 4(x^2 + 4x + 5) - 9(x + 7)
= 5x - 5 - 4x^2 - 16x - 20 - 9x - 63
= -4x^2 - 20x - 88
Added 5/29/2014 9:58:19 AM
This answer has been confirmed as correct and helpful.
Confirmed by jeifunk [5/29/2014 10:12:28 AM]
3
x^2 - 5x - 6 = (x - 6)(x + 1)
Added 9/1/2014 7:27:46 AM
This answer has been confirmed as correct and helpful.

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