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Evaluate 7x - (2x)2 + x 3 for x = -2.
-38
-14
-2

Question

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Updated 5/26/2014 1:08:35 AM

1 Answer/Comment

When x = -2,

7x - (2x)^2 + x^3

= 7(-2) - [2(-2)]^2 + (-2)^2

= -14 - 16 + 4

= -30 + 4

= -26

7x - (2x)^2 + x^3

= 7(-2) - [2(-2)]^2 + (-2)^2

= -14 - 16 + 4

= -30 + 4

= -26

Added 5/26/2014 1:08:35 AM

This answer has been confirmed as correct, not copied, and helpful.

Confirmed by andrewpallarca [5/27/2014 1:42:51 PM]

Simplify 13x - 4[x + (3 - x)].
**Weegy:** The simplify answer for this problem is x to the second power/4 -y to the second power (More)

Question

Updated 7/24/2013 5:40:03 PM

1 Answer/Comment

13x - 4[x + (3 - x)]

13x - 4(3)

= 13x - 12

13x - 4(3)

= 13x - 12

Added 7/24/2013 5:40:03 PM

This answer has been added to the Weegy Knowledgebase

Factor 36x^2 + 60x + 25.
(12x+ 5)(3x+ 5)
(6x+ 5)(6x- 5)
(6x+ 5)2 **Weegy:**
36x^2 + 60x + 25 = (6x + 5)^2
(More)

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Updated 7/14/2014 12:05:15 PM

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hat is the equation of the line, in slope-intercept form, that passes through (4, 2) and (-2, -3)?
5x- 6y- 8 = 0
3y= -2x + 20
y=x-

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Updated 8/5/2014 12:23:55 AM

1 Answer/Comment

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