(4x^2-5x^3)-(9x^2-7x^3)
Question
Updated 1/23/2014 11:33:58 AM
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Flagged by andrewpallarca [1/23/2014 11:33:58 AM]
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Original conversation
User: (4x^2-5x^3)-(9x^2-7x^3)

Weegy: The answer is =45x^3+12x^2 -7 -18x^3 +54x^2 -3 take the like terms together and simplify 45x^3-18x^3 +12x^2+54x^2 -7-3 => (45-18)x^3 + (12+54)x^2 -(7+3) => 27x^3 + 66x^2 -10
uxiali|Points 1606|

Question
Updated 1/23/2014 11:33:58 AM
This conversation has been flagged as incorrect.
Flagged by andrewpallarca [1/23/2014 11:33:58 AM]
Rating
8
(4x^2-5x^3)-(9x^2-7x^3)

= 2x^3 - 5x^2

Questions asked by the same visitor
Select the expression that is equivalent to -7(x - 7).
Weegy: -7(x - 4) is equivalent to -7x + 28 (More)
Question
Updated 8/30/2014 8:48:18 AM
The expression that is equivalent to -7(x - 7) is -7x+49.
-7(x - 7)
=-7*x-7*(-7)
=-7x+49.
Confirmed by jeifunk [8/30/2014 8:48:31 AM], Rated good by jeifunk
33,678,004
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