suma de polinomios paso a paso. ayudaa.
1:
![(a {}^{3} - b {}^{3} ) + (5a {}^{2} - 4ab {}^{2}) + (a {}^{3} - 7ab {}^{2} - b {}^{3) = } (a {}^{3} - b {}^{3} ) + (5a {}^{2} - 4ab {}^{2}) + (a {}^{3} - 7ab {}^{2} - b {}^{3) = }](https://tex.z-dn.net/?f=%28a+%7B%7D%5E%7B3%7D+-++b+%7B%7D%5E%7B3%7D+%29+%2B+%285a+%7B%7D%5E%7B2%7D+-+4ab+%7B%7D%5E%7B2%7D%29+%2B+%28a+%7B%7D%5E%7B3%7D+-++7ab+%7B%7D%5E%7B2%7D+-++b+%7B%7D%5E%7B3%29+%3D+%7D+)
2:
![( - x {}^{2} + x - 6) + (x {}^{3} - 7x {}^{2} + 5) + ( - x {}^{3} + 8x - 5) ( - x {}^{2} + x - 6) + (x {}^{3} - 7x {}^{2} + 5) + ( - x {}^{3} + 8x - 5)](https://tex.z-dn.net/?f=%28+-+x++%7B%7D%5E%7B2%7D++%2B+x+-+6%29+%2B+%28x+%7B%7D%5E%7B3%7D+-+7x+%7B%7D%5E%7B2%7D+%2B+5%29+%2B+%28+-+x+%7B%7D%5E%7B3%7D+%2B+8x+-+5%29)
3:
![(a {}^{3} - 4a + 5) + (a {}^{3} - 2a {}^{2} + 6) + (a {}^{2} - 7a + 4) = (a {}^{3} - 4a + 5) + (a {}^{3} - 2a {}^{2} + 6) + (a {}^{2} - 7a + 4) =](https://tex.z-dn.net/?f=%28a+%7B%7D%5E%7B3%7D+-+4a+%2B+5%29+%2B+%28a+%7B%7D%5E%7B3%7D++-+2a+%7B%7D%5E%7B2%7D+%2B+6%29+%2B+%28a+%7B%7D%5E%7B2%7D+-+7a+%2B+4%29+%3D+)
4:
![( - 7x {}^{2} + 5x - 6) + (8x - 9 + 4x {}^{2}) + ( - 7x + 14 - x {}^{2}) = ( - 7x {}^{2} + 5x - 6) + (8x - 9 + 4x {}^{2}) + ( - 7x + 14 - x {}^{2}) =](https://tex.z-dn.net/?f=%28+-+7x+%7B%7D%5E%7B2%7D+%2B+5x+-+6%29+%2B+%288x+-+9+%2B+4x+%7B%7D%5E%7B2%7D%29+%2B+%28+-+7x+%2B+14+-+x+%7B%7D%5E%7B2%7D%29+%3D++)
5:
![(a {}^{2} - 3 ab + b {}^{2}) + ( - 5ab + a {}^{2} - b {}^{2}) + (8ab - b {}^{2} - 2 a {}^{2}) = (a {}^{2} - 3 ab + b {}^{2}) + ( - 5ab + a {}^{2} - b {}^{2}) + (8ab - b {}^{2} - 2 a {}^{2}) =](https://tex.z-dn.net/?f=%28a+%7B%7D%5E%7B2%7D+-+3+ab+%2B+b+%7B%7D%5E%7B2%7D%29+%2B+%28+-+5ab+%2B+a+%7B%7D%5E%7B2%7D+-++b+%7B%7D%5E%7B2%7D%29+%2B+%288ab+-+b+%7B%7D%5E%7B2%7D+-+2+a+%7B%7D%5E%7B2%7D%29+%3D++)
Anónimo:
ve lo que me haces hacer?
Respuestas
Respuesta dada por:
3
● (a³-b³)+(5a²-4ab²)+(a³-7ab²-b³) =
2a³+5a²-11ab²-2b³
● (-x²+x-6)+(x³-7x²+5)+(-x³+8x-5) =
-8x²+9x-11
● (a³-4a+5)+(a³-2a²+6)+(a²-7a+4) =
2a³'-a²-11a+15
● (-7x²+5x-6)+(8x-9+4x²)+(-7x+14-x²) =
-4x²+6x-1
● (a²-3ab+b²)+(-5ab+a²-5b²)+(8ab-b²-2a²) =
-5b²
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