Answer:
B.
6x² + 10x + 2
C.
1. 13x
2. -6y
3. -2x³
4. 50x²y²
5. 0
Step-by-step explanation:
P = a + b + c
P = (2x² + 7) + (x² + 12x - 5) + (3x² - 2x)
P = (3x² + 12x + 2) + (3x² - 2x)
1. 3x + 10x
10x
+ 3x
------------
2. 12y - 18y
12y + (-18y)
12y
+ -18y
---------------
3. 14x³ + (-16x³)
14x³
+ -16x³
----------------
4. 20x²y² + 30x²y²
20x²y²
+ 30x²y²
-------------------
5. 5x - 3x - 8x + 6x
2x - 8x + 6x
-6x + 6x
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Answers & Comments
Answer:
B.
6x² + 10x + 2
C.
1. 13x
2. -6y
3. -2x³
4. 50x²y²
5. 0
Step-by-step explanation:
B.
P = a + b + c
P = (2x² + 7) + (x² + 12x - 5) + (3x² - 2x)
P = (3x² + 12x + 2) + (3x² - 2x)
P = 6x² + 10x + 2
C.
1. 3x + 10x
10x
+ 3x
------------
13x
2. 12y - 18y
12y + (-18y)
12y
+ -18y
---------------
-6y
3. 14x³ + (-16x³)
14x³
+ -16x³
----------------
-2x³
4. 20x²y² + 30x²y²
20x²y²
+ 30x²y²
-------------------
50x²y²
5. 5x - 3x - 8x + 6x
2x - 8x + 6x
-6x + 6x
0
#CarryOnLearning