Question and answer
x2 - 2(x - y);x = 6 and y = 2
Question
Asked 10/18/2013 9:25:06 AM
Updated 10/21/2013 12:26:24 AM
3 Answers/Comments
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User: x2 - 2(x - y);x = 6 and y = 2

Weegy: x2 - x - 90 = 0 in factored form is (x-10)(x+9)=0
andrewpallarca|Points 26593|

User: -2[7x - 7 - 6(x + 1)] = 2x + 5

User: -(4x - 5)

Weegy: it is a special factor (a-b)(a+b) = a^2 - b^2 a=7y b=(4-4x) so the answer is 49y^2- (4-4x)^2 simplify it it will be 49y^2- 16 +32x -16x^2 rearange it , it will be 49y^2 - 16x^2 +32x-16
reynaldo009|Points 292|

User: What is the "slope-intercept" format of the equation of a line?

Weegy: The equation is Y = Mx + B. In this equation, m is the slope value and B is the y intercept. X and Y are coordinates of the line which can be substituted into the equation to solve for other variables. Example of equation: Y = 3x + 7. [ Please give me a good rating if I helped you answer your question! ]
kielan1|Points 85|

Question
Asked 10/18/2013 9:25:06 AM
Updated 10/21/2013 12:26:24 AM
3 Answers/Comments
This conversation has been flagged as incorrect.
Flagged by yeswey
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when x = 6 and y = 2,
x2 - 2(x - y)
= 36 - 2(6-2)
= 36 - 8
= 28
Added 10/21/2013 12:23:11 AM
0
-2[7x - 7 - 6(x + 1)] = 2x + 5
-2(7x - 7 - 6x - 6) = 2x + 5
-2(x - 13) = 2x + 5
-2x + 26 = 2x + 5
4x = 21
x = 21/4
Added 10/21/2013 12:25:32 AM
This answer has been confirmed as correct and helpful.
Confirmed by jeifunk [7/8/2014 11:37:21 AM]
0
-(4x - 5) = -4x + 5
Added 10/21/2013 12:26:24 AM
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