GENTE EU PRECISO DE AJUDA ME AJUDEM PELO AMOR DE DEUS
1- Determine os polinômios
A) (7x + 2x) - (4x - 5x- 1)
B) (5x - 4x + 2) + (3x + 4x -5)
C) (3x - 4x - 4x - 1) + (5x - 2x - x+2)
D) (5x - 5x + 1) - (3x - x+2)
Respostas
respondido por:
0
A) (7x + 2x) - (4x - 5x- 1)
9x-(-x-1)
10x+1
B) (5x - 4x + 2) + (3x + 4x -5)
x+2+7x-5
8x-3
C) (3x - 4x - 4x - 1) + (5x - 2x - x+2)
-5x-1+2x+2
-3x+1
D) (5x - 5x + 1) - (3x - x+2)
1-2x-2
-2x-1
bons estudos!
9x-(-x-1)
10x+1
B) (5x - 4x + 2) + (3x + 4x -5)
x+2+7x-5
8x-3
C) (3x - 4x - 4x - 1) + (5x - 2x - x+2)
-5x-1+2x+2
-3x+1
D) (5x - 5x + 1) - (3x - x+2)
1-2x-2
-2x-1
bons estudos!
Emysinha:
Mt obg
respondido por:
1
a) (7x + 2x) - (4x - 5x - 1) =
7x + 2x - 4x + 5x + 1 =
14x - 4x + 1 =
10x + 1
b) (5x - 4x + 2) + (3x + 4x - 5) =
5x - 4x + 2 + 3x + 4x - 5
x + 2 + 7x - 5 =
8x - 3
c) (3x - 4x - 4x - 1) + (5x - 2x - x + 2) =
3x - 4x - 4x - 1 + 5x - 2x - x + 2 =
3x - 8x -1 + 5x - 3x + 2 =
- 5x + 2x + 1 =
- 3x + 1
d) (5x - 5x + 1) - (3x - x + 2) =
5x - 5x + 1 - 3x + x - 2
0 + 1 - 2x - 2 =
- 2x - 1
7x + 2x - 4x + 5x + 1 =
14x - 4x + 1 =
10x + 1
b) (5x - 4x + 2) + (3x + 4x - 5) =
5x - 4x + 2 + 3x + 4x - 5
x + 2 + 7x - 5 =
8x - 3
c) (3x - 4x - 4x - 1) + (5x - 2x - x + 2) =
3x - 4x - 4x - 1 + 5x - 2x - x + 2 =
3x - 8x -1 + 5x - 3x + 2 =
- 5x + 2x + 1 =
- 3x + 1
d) (5x - 5x + 1) - (3x - x + 2) =
5x - 5x + 1 - 3x + x - 2
0 + 1 - 2x - 2 =
- 2x - 1
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