Simplifique os polinômios
a) 10x²+7xy+4xy-10²=
b)5a³+2b(elevado a cinco)-6+c²-3a³+4=
c) 3.(4a-b)+2a+5a-6=
d)x.(2x+3y)-11.(xy+2y)+2x²
Respostas
1
a) 10x²+7xy+4xy-10²= 10x² + 711xy – 100
b) 5a³+2b(elevado a cinco)-6+c²-3a³+4=
5a³ + 2b^5 – 6 + c² – 3a³ + 4=
2a³ + 2b^5 + c² -2
c) 3.(4a-b)+2a+5a-6=
12a – 3b + 2a + 5a – 6=
19a – 3b – 6=
d)x.(2x+3y)-11.(xy+2y)+2x²
2x² + 3xy – 11xy + 22y + 2x²
4x² – 8xy + 22y
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2
10x² + 7xy + 4xy – 10²
10x² + 11xy – 100
5a³ + 2b^5 – 6 + c² – 3a³ + 4
2a³ + 2b^5 + c² – 2
3 * (4a – b) + 2a + 5a – 6
12a – 3b + 2a + 5a – 6
19a – 3b – 6
x * (2x + 3y) – 11 * (xy + 2y) + 2x²
2x² + 3xy – 11xy – 22y + 2x²
4x² – 8xy – 22y