Respuesta:
a) 11x²y
b) -13m³n²
c) a⁵+a⁴-20a³+7a²-20
d) 1/2x+6/5y-5/18z-1/5
e) 7a+5b+28b
f) 16m²-25m+11
g) -9a+3b
h) 29/6x²-1/6x-1
i) -7a+b-5
Explicación paso a paso:
a 3x²y -(-8x²y)
3x²y
+8x²y
--------
11x²y
b -15m³n² -(-2m³n²)=
-15m³n²
+2m³n²
--------------
-13m³n²
c a⁵-9a³+6a²-20 - (-a⁴+11a³-a²)=
a⁵-9a³+6a²-20
+a⁴-11a³+a²
------------------------
a⁵+a⁴-20a³+7a²-20
d 1/2x+3/5y-7/9z - (-3/5y+1/2z-1/2)=
1/2x+3/5y-7/9z
+3/5y+1/2z-1/2
-----------------------------
1/2x+6/5y-5/18z-1/5
e [(a+b-5)+(8a-3b+12)] - (2a-6b+21)=
[9a-2b+7]-2a+6b-21=
9a-2b+7
-2a+6b+21
------------------
7a+5b+28b
f [(8m²+5)+(-2+7m²)] -[(20m-8)+(-m²+5m)]
[15m²+3]-[-m²+25m-8]
15m²+3
+m²-25m+8
-------------------
16m²-25m+11
g [(-7a+2b)+(a-b)] - [(2a+b)+(a-3b)]
[-6a+b]-[3a-2b]
-6a+b
-3a+2b
-9a+3b
h [(x+5x²)+(5/2x-1/3x²)] - [8/3x-1/6x²]
[14/3x²+5/2x-1] -8/3x+1/6x²
14/3x²+5/2x-1
+1/6x²-8/3x
----------------------
29/6x²-1/6x-1
i (3a-2b-2a-b)-[(8a-b)+(5-b)]
a-3b - [8a-2b+5]
a-3b
-8a+2b-5
----------------
-7a+b-5
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Respuesta:
a) 11x²y
b) -13m³n²
c) a⁵+a⁴-20a³+7a²-20
d) 1/2x+6/5y-5/18z-1/5
e) 7a+5b+28b
f) 16m²-25m+11
g) -9a+3b
h) 29/6x²-1/6x-1
i) -7a+b-5
Explicación paso a paso:
a 3x²y -(-8x²y)
3x²y
+8x²y
--------
11x²y
b -15m³n² -(-2m³n²)=
-15m³n²
+2m³n²
--------------
-13m³n²
c a⁵-9a³+6a²-20 - (-a⁴+11a³-a²)=
a⁵-9a³+6a²-20
+a⁴-11a³+a²
------------------------
a⁵+a⁴-20a³+7a²-20
d 1/2x+3/5y-7/9z - (-3/5y+1/2z-1/2)=
1/2x+3/5y-7/9z
+3/5y+1/2z-1/2
-----------------------------
1/2x+6/5y-5/18z-1/5
e [(a+b-5)+(8a-3b+12)] - (2a-6b+21)=
[9a-2b+7]-2a+6b-21=
9a-2b+7
-2a+6b+21
------------------
7a+5b+28b
f [(8m²+5)+(-2+7m²)] -[(20m-8)+(-m²+5m)]
[15m²+3]-[-m²+25m-8]
15m²+3
+m²-25m+8
-------------------
16m²-25m+11
g [(-7a+2b)+(a-b)] - [(2a+b)+(a-3b)]
[-6a+b]-[3a-2b]
-6a+b
-3a+2b
--------------
-9a+3b
h [(x+5x²)+(5/2x-1/3x²)] - [8/3x-1/6x²]
[14/3x²+5/2x-1] -8/3x+1/6x²
14/3x²+5/2x-1
+1/6x²-8/3x
----------------------
29/6x²-1/6x-1
i (3a-2b-2a-b)-[(8a-b)+(5-b)]
a-3b - [8a-2b+5]
a-3b
-8a+2b-5
----------------
-7a+b-5