Factor this expression completely. x2

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Factor this expression completely. x2 - r2

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Asked 10/31/2013 1:11:50 PM

Updated 5/6/2014 8:57:00 PM

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User: Factor this expression completely. x2 - r2

Weegy: x+3)(x-3) = x2+3x-3x -9 = x2-9
danimai|Points 1504|

User: Perform the indicated operation. 6a2x(9a2 + 4bcx2 + 6abx)

Weegy: 6a^2x(9a^2 + 4bcx^2 + 6abx) = 54a^4x + 36a^3bx^2 + 24a^2bcx^3
Expert answered|andrewpallarca|Points 27016|

Question

Asked 10/31/2013 1:11:50 PM

Updated 5/6/2014 8:57:00 PM

1 Answer/Comment

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yeswey

x^2 - r^2 = (x + r)(x - r)

Added 5/6/2014 8:57:00 PM

This answer has been confirmed as correct and helpful.

Confirmed by jeifunk [5/6/2014 8:58:20 PM]

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Perform the indicated operation. (a + b)(a - b)

Weegy: 3-3 = 0 User: Factor this expression completely. 2x2 + 11x + 15 User: Factor this expression completely. 6x2 - 13x - 28 (More)

Question

Updated 7/24/2014 7:19:03 PM

3 Answers/Comments

jerry06

(a + b)(a - b) = a^2 - ab + ab - b^2 = a^2 - b^2

Added 7/24/2014 7:18:51 PM

This answer has been confirmed as correct and helpful.

Confirmed by jeifunk [7/24/2014 8:56:36 PM]

jerry06

2x^2 + 11x + 15 = (2x + 5)(x + 3)

Added 7/24/2014 7:18:57 PM

This answer has been confirmed as correct and helpful.

Confirmed by jeifunk [7/24/2014 8:57:01 PM]

jerry06

6x^2 - 13x - 28 = (3x + 4)(2x - 7)

Added 7/24/2014 7:19:01 PM

This answer has been confirmed as correct and helpful.

Confirmed by jeifunk [7/24/2014 8:57:18 PM]

-2x2y3 · 14x2y3

Weegy: = -28x^4y^6 User: (2a2b)4 Weegy: 16ab is your answer User: Identify the variation as direct, inverse, joint or combined. v = cw User: Identify the variation as direct, inverse, joint or combined. v = cw direct inverse joint combined User: x varies directly as y, and x = 153 when y = 9. Find x when y = 13. 106 157 221 (More)

Question

Updated 5/6/2014 8:55:00 PM

3 Answers/Comments

yeswey

(2a^2b)^4 = 16a^8b^4

Added 5/6/2014 8:50:31 PM

This answer has been confirmed as correct and helpful.

Confirmed by jeifunk [5/6/2014 8:52:44 PM]

yeswey

v = cw This is a DIRECT variation.

Added 5/6/2014 8:51:18 PM

This answer has been confirmed as correct and helpful.

Confirmed by jeifunk [5/6/2014 8:53:08 PM]

yeswey

x varies directly as y, The equation is in the form x = ky where k is the constant.
We were given x = 153 when y = 9, so k = x/y = 153/9 = 17.
The equation is x = 17y
when y = 13, x = 17(13) = 221

Added 5/6/2014 8:55:00 PM

This answer has been confirmed as correct and helpful.

Confirmed by jeifunk [5/6/2014 8:58:24 PM]

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