a) (4a – 7) + (-2a + 9) =
b) (13x – 1) + (2x – 1) =
c) (2x2 – 3x – 2) + (2x2 – 5x + 2) =
d) (-4y2 + 5y – 3) + (4y2 + 3) =
e) (8y3 – 6y2 + 16y – 1) + ( - 8y3 – 6y2 + 16y – 1) =
f) (4y – 2) – (2y + 3) + ( - 2y + 4) =
g) (b2 – 3b + 2) – (- b2 + 3b – 2) – (2b2 – 4b + 1) =
h) (4x – 2) – (3x2 + 7x – 2) + ( - x2 + 1) =
i) (x3 – y3) + (2x3 – 4x2y + xy2) – (x3 – 8)
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b) (13x – 1) + (2x – 1) =
c) (2x2 – 3x – 2) + (2x2 – 5x + 2) =
d) (-4y2 + 5y – 3) + (4y2 + 3) =
e) (8y3 – 6y2 + 16y – 1) + ( - 8y3 – 6y2 + 16y – 1) =
f) (4y – 2) – (2y + 3) + ( - 2y + 4) =
g) (b2 – 3b + 2) – (- b2 + 3b – 2) – (2b2 – 4b + 1) =
h) (4x – 2) – (3x2 + 7x – 2) + ( - x2 + 1) =
i) (x3 – y3) + (2x3 – 4x2y + xy2) – (x3 – 8)
Alguém me ajuda é urgente!!!!!
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A) (4a – 7) + (-2a + 9) = 2a + 2
B) (13x – 1) + (2x – 1) = 15x – 2
C) (2x2 – 3x – 2) + (2x2 – 5x + 2) = 4x2 – 8x
D) (-4y2 + 5y – 3) + (4y2 + 3) = 0
E) (8y3 – 6y2 + 16y – 1) + ( - 8y3 – 6y2 + 16y – 1) = 0
F) (4y – 2) – (2y + 3) + ( - 2y + 4) = 2y – 5
G) (b2 – 3b + 2) – (- b2 + 3b – 2) – (2b2 – 4b + 1) = 4b2 – 4b + 1
H) (4x – 2) – (3x2 + 7x – 2) + ( - x2 + 1) = -4x2 – 5x + 1
I) (x3 – y3) + (2x3 – 4x2y + xy2) – (x3 – 8) = 3x3 – 4x2y + xy2 + 8
Para resolver esses problemas, basta combinar os termos semelhantes de cada polinômio. Por exemplo, no problema A, temos os termos 4a e -2a. Combinando esses termos, temos 2a. O mesmo procedimento deve ser feito com os termos restantes.