Factor 7x^2 - 9x - 10

Question

Asked 7/11/2013 3:33:31 PM

Updated 5/24/2014 10:49:08 AM

5 Answers/Comments

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Flagged by yeswey [5/24/2014 10:45:16 AM]

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Question

Asked 7/11/2013 3:33:31 PM

Updated 5/24/2014 10:49:08 AM

5 Answers/Comments

This conversation has been flagged as incorrect.

Flagged by yeswey [5/24/2014 10:45:16 AM]

Rating

3

7x^2 - 9x - 10 = (x - 2)(7x + 5)

Added 5/24/2014 10:44:22 AM

This answer has been confirmed as correct and helpful.

Confirmed by yumdrea [5/24/2014 10:54:01 AM]

3

(4x + 3)(-2x - 5)

= -8x^2 - 20x - 6x - 15

= -8x^2 - 26x - 15

= -8x^2 - 20x - 6x - 15

= -8x^2 - 26x - 15

Added 5/24/2014 10:45:13 AM

This answer has been confirmed as correct and helpful.

Confirmed by yumdrea [5/24/2014 10:56:16 AM]

3

0.04m^2 - n^2 = (0.2m + n)(0.2m - n)

Added 5/24/2014 10:46:11 AM

This answer has been confirmed as correct and helpful.

Confirmed by andrewpallarca [5/24/2014 11:06:17 AM]

3

36x^2 + 60x + 25 = (6x + 5)^2

Added 5/24/2014 10:47:44 AM

This answer has been confirmed as correct and helpful.

Confirmed by andrewpallarca [5/24/2014 11:06:05 AM]

3

b^3 + 3b^2 - 4b - 12

= b^2(b + 3) - 4(b + 3)

= (b + 3)(b^2 - 4)

= (b + 3)(b + 2)(b - 2)

= b^2(b + 3) - 4(b + 3)

= (b + 3)(b^2 - 4)

= (b + 3)(b + 2)(b - 2)

Added 5/24/2014 10:49:08 AM

This answer has been confirmed as correct and helpful.

Confirmed by andrewpallarca [5/24/2014 11:06:05 AM]

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