Factor 48m - 80n.
16mn(3m - 5n)
16(5n - 3m)
16(3m - 5n)

Question

Asked 1/29/2013 9:32:27 AM

Updated 6/10/2014 11:32:40 PM

1 Answer/Comment

s

Solution

1. Find the lowest common denominator for both numerical coefficient

48= 2.2.2.2.3

80=2.2.2.2. 5

LCD= 2.2.2.2

LCD = 16

2. Perform the operation: 48m - 80n divide both by 16

*48m/16 = 3m

*-80/16 = -5n

3. answer= 16(3m - 5n)

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Question

Asked 1/29/2013 9:32:27 AM

Updated 6/10/2014 11:32:40 PM

1 Answer/Comment

Rating

3

3y^2 - 4y = y(3y - 4)

Added 6/10/2014 11:32:40 PM

This answer has been confirmed as correct and helpful.

Confirmed by jeifunk [6/10/2014 11:39:41 PM]

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Updated 5/29/2014 9:44:25 AM

2 Answers/Comments

(2x + 9)(x + 1)

= 2x^2 + 2x + 9x + 9

= 2x^2 + 11x + 9

= 2x^2 + 2x + 9x + 9

= 2x^2 + 11x + 9

Added 5/29/2014 9:42:31 AM

This answer has been confirmed as correct and helpful.

Confirmed by jeifunk [5/29/2014 9:55:21 AM]

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Question

Expert Answered

Updated 6/8/2014 11:53:38 AM

2 Answers/Comments

5 + 2{x - 4[3x + 7(2 - x)]}

= 5 + 2{x - 4[3x + 14 - 7x]}

= 5 + 2{x - 4[-4x + 14]}

= 5 + 2{x + 16x - 56}

= 5 + 2{17x - 56}

= 5 + 34x - 112

= 34x - 107

= 5 + 2{x - 4[3x + 14 - 7x]}

= 5 + 2{x - 4[-4x + 14]}

= 5 + 2{x + 16x - 56}

= 5 + 2{17x - 56}

= 5 + 34x - 112

= 34x - 107

Added 6/8/2014 11:53:03 AM

This answer has been confirmed as correct and helpful.

(7q - 5)(7q + 5)

= 49q^2 + 35q - 35q - 25

= 49q^2 - 25

= 49q^2 + 35q - 35q - 25

= 49q^2 - 25

Added 6/8/2014 11:53:38 AM

This answer has been confirmed as correct and helpful.

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