Упростите алгебраическую сумму многочленов.
5х-(2х-3у)
(4х+2)+(-х-1)
3х²-(4х²+2у)
0,6а²-(0,5а²-0,4а)
2а²-(b2-3a²)
5х-(2х-3у)
(4х+2)+(-х-1)
3х²-(4х²+2у)
0,6а²-(0,5а²-0,4а)
2а²-(b2-3a²)
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Answers & Comments
Ответ:
5x-(2x-3y)=5x-2x+3y=3x-3y
(4x+2)+(-x-1)=4x+2-x-1=3x+1
3x²-(4x²+2y)=3x²-4x²-2y=-x²-2y
0,6a²-(0,5a2-0,4a)=0,6a²-0,5a²-0,4a=0,1a²-0,4a
2a²-(b²-3a²)=2a²-b²+3a²=5a²+b²