Perform the indicated operation. (12x2 + 7y3)(4x2 + 7y3)
Question
Updated 11/18/2014 1:58:49 AM
This conversation has been flagged as incorrect.
Flagged by yeswey [11/18/2014 1:58:49 AM]
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Original conversation
User: Perform the indicated operation. (12x2 + 7y3)(4x2 + 7y3)

Weegy: Please indicate the signs between the monomials. Thanks!
andrewpallarca|Points 45900|

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

User: Perform the indicated operation. (3a2 - 7xy)(3a2 + 7xy)

Question
Updated 11/18/2014 1:58:49 AM
This conversation has been flagged as incorrect.
Flagged by yeswey [11/18/2014 1:58:49 AM]
Rating
8
(12x^2 + 7y^3)(4x^2 + 7y^3)
= 48x^4 + 84x^2y^3 + 28x^2y^3 + 49y^6
= 48x^4 + 112x^2y^3 + 49y^6
Confirmed by jeifunk [11/18/2014 1:58:45 AM]
8
(a + b)(a - b) = a^2 - b^2
Confirmed by jeifunk [11/18/2014 1:58:58 AM]
8
(3a^2 - 7xy)(3a^2 + 7xy) = 9a^4 - 49x^2y^2
Confirmed by jeifunk [11/18/2014 1:59:34 AM]

Questions asked by the same visitor
Factor this expression completely, then place the factors in the proper location on the grid. x3y3 + z3
Question
Updated 11/18/2014 2:12:45 AM
x^3y^3 + z^3 = (xy + z)(x^2y^2 - xyz + z^2)
Confirmed by jeifunk [11/18/2014 2:30:38 AM]
Factor this expression completely, then place the factors in the proper location on the grid. 5x3 + 40y6
Question
Updated 11/18/2014 2:08:31 AM
5x^3 + 40y^6
= 5(x^3 + 8y^6)
= 5(x + 2y^2)(x^2 - 2xy^2 + 4y^4)
Confirmed by jeifunk [11/18/2014 2:31:51 AM]
Perform the indicated operation. x3 x2 User: Perform the indicated operation. (14x3y2z)4
Question
Updated 11/18/2014 2:05:47 AM
(14x^3y^2z)^4 = 38,416x^12y^8z^4
Confirmed by jeifunk [11/18/2014 2:32:52 AM]
x^3 x^2 = x^5
Confirmed by jeifunk [11/18/2014 2:33:16 AM]
Perform the indicated operation. (3a2 - 7xy)(3a2 + 7xy)
Weegy: The answer is 9a^4-49x^2y^2. User: Perform the indicated operation. (r + s)(r2 - rs + s2) Weegy: 3-3 = 0 User: Perform the indicated operation. (2a2 - 8)(4a4 + 16a2 + 64) Weegy: The answer for (2a2 - 8)(4a4 16a2 64) is 4096 a^6 (2 a^2-8). User: Factor this expression completely. 16x4 + 56x2 + 49 Weegy: 64, 112, 49 User: Factor this expression completely. 2x2 + 11x + 15 (More)
Question
Updated 11/18/2014 1:24:08 AM
(r + s)(r2 - rs + s2)

= r3 - r2s + rs2 + r2s - rs2 + s3

= r3 + s3
2x2 + 11x + 15 = (2x + 5)(x + 3)
16x^4 + 56x^2 + 49 = (4x^2+7)^2
(2a2 - 8)(4a4 + 16a2 + 64) = 8a6 - 512
Which are zeros of the following polynomial? 6x 2 - 11x - 10 = 0 x = 6, x = 10 x = ; x = x = -2; x = 5 x = ; x =
Question
Updated 11/24/2014 12:49:26 AM
6x^2 - 11x - 10 = 0
(2x - 5)(3x + 2) = 0
2x - 5 = 0 or 3x + 2 = 0
x = 5/2 or x = -2/3
Confirmed by jeifunk [11/24/2014 7:16:49 AM]
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