Mathematics: Click an item in the list or group of pictures at the bottom of the problem and, holding the button down, drag it into the correct position in the answer box. release your mouse button when the item is place. if you change your mind, drag the item to the trashcan. click the trashcan to clear all your answers. perform the operation indicated, then place the answer in the proper location on the grid. write your answer in descending powers of m. (5m3 + 3mn2) + (-7m2n + mn2 - n3) - (mn2 + 2m3)

Click an item in the list or group of pictures

Ответ:

CaraRose1887

17.01.2022

3m^3-7m^2n+3mn^2-n^3

Step-by-step explanation:

$(5m^3 + 3mn^2) + (-7m^2n + mn^2 - n^3) - (mn^2 + 2m^3)\\Solving:\\5m^3 + 3mn^2 -7m^2n + mn^2 - n^3 - mn^2 - 2m^3\\Adding\,\,like\,\,terms\,\,\\5m^3 -2m^3+ 3mn^2 -mn^2+mn^2-7m^2n-n^3\\3m^3 +3mn^2-7m^2n-n^3\\Arranging\,\,in\,\,desecnding\,\,order\,\,in\,\,power\,\,of\,\,m\\3m^3-7m^2n+3mn^2-n^3$

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Ответ:

delaneyjane1599

02.01.2021

Mathematics

the answer is D 48 Less-than-or-equal-to h + 42

Step-by-step explanation:

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