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LeonardoH0021
@LeonardoH0021
January 2020
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Me ajudeeeeeeeeeeee pffffffff
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NyA7
16)
a) (10a-9b-2c) + (-7a+c+4b)
10a-9b+2c+(-7a+c+4b)
10a-9b+2c-7a+c+4b
3a-9b+2c+c+4b
3a-5b+2c+c
3a-5b+3c
b) (7m+n+2p)-(2m+3n-5p)
7m+n+2p-(2m+3n-5p)
7m+n+2p-2m-3n+5p
5m+n+2p-3n+5p
5m-2n+2p+5p
5m-2n+7p
17)
a) a²-(xy)²
a²-x²y²
b) (-2a²+2ab+ab-b*b)
(-2a²+3ab-b*b)
(-2a²+3ab-b^1+1)
-2a²+3ab-b²
c)a^8*30-a^7*10/5
30a^8-a^7*10/5
30a^8-10a^7/5
(nesta, foi passado para fração "/" e os expoentes calculados para base comum)
d)
0 votes
Thanks 1
NyA7
17) d) x³-3x²-x+6 / x-2
NyA7
17) e) x⁴+x-2 / x²+1
NyA7
18) a) x²+2*x*5+5² # x²+2x*5+5² # x²+10x+5² # x²+10x+25
NyA7
18) b) 9y⁴-2*3y²*2+2² # 9y⁴-6y²*2+2² # 9y⁴-12y²+2² #9y⁴-12y²+4
NyA7
18) c) (2x)²-b² # 2²x²-b² # 4x²-b² # -b²+4x²
NyA7
De nada, bons estudos!
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Lista de comentários
a) (10a-9b-2c) + (-7a+c+4b)
10a-9b+2c+(-7a+c+4b)
10a-9b+2c-7a+c+4b
3a-9b+2c+c+4b
3a-5b+2c+c
3a-5b+3c
b) (7m+n+2p)-(2m+3n-5p)
7m+n+2p-(2m+3n-5p)
7m+n+2p-2m-3n+5p
5m+n+2p-3n+5p
5m-2n+2p+5p
5m-2n+7p
17)
a) a²-(xy)²
a²-x²y²
b) (-2a²+2ab+ab-b*b)
(-2a²+3ab-b*b)
(-2a²+3ab-b^1+1)
-2a²+3ab-b²
c)a^8*30-a^7*10/5
30a^8-a^7*10/5
30a^8-10a^7/5
(nesta, foi passado para fração "/" e os expoentes calculados para base comum)
d)