Question and answer
find the product of this(x-1) (x 2)
Question
Asked 2/15/2012 10:02:12 PM
Updated 9/10/2014 1:20:25 AM
3 Answers/Comments
This conversation has been flagged as incorrect.
Flagged by andrewpallarca [9/10/2014 1:20:25 AM]
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Original conversation
User: find the product of this(x-1) (x 2)

Weegy: The answer is x=(5)/(2).
thederby|Points 859|

User: (x-1)(x+2)

Weegy: The answer is x=(5)/(2).
thederby|Points 859|

User: (9-5x)^2

Weegy: check this answer with the foil method. first x * x= x^2 outer x * 2= 2x inner -1 * x= -1x or -x last -1 * 2= -2 answer is x^2 -x-2 = (x-1)(x+2) Source(s): I just learned the foil method in class.
Expert answered|Envious|Points 30|

Question
Asked 2/15/2012 10:02:12 PM
Updated 9/10/2014 1:20:25 AM
3 Answers/Comments
This conversation has been flagged as incorrect.
Flagged by andrewpallarca [9/10/2014 1:20:25 AM]
New answers
Rating
8
(x - 1)(x + 2)
= x^2 + 2x - x - 2
= x^2 + x - 2
Added 9/10/2014 1:19:06 AM
This answer has been confirmed as correct and helpful.
8
(9 - 5x)^2
= (-5x + 9)(-5x + 9)
= 25x^2 - 45x - 45x + 81
= 25x^2 - 90x + 81
Added 9/10/2014 1:20:18 AM
This answer has been confirmed as correct and helpful.
5
(x-1)(x+2) using the foil method, we get x^2+2x-x-2
=x^2-x-2

And for the (9-5x)^2, the expanded form would be 25x^2-90x+81.
Added 2/15/2012 10:42:42 PM
This answer has been flagged as incorrect.
Flagged by andrewpallarca [9/10/2014 1:19:08 AM]
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