Answer:
1. 4x^2+7x
2. 15x^5-13x^3+5x^2
Step-by-step explanation:
1. 3x - 4x = 7x
12x^2 - 8x^2 = 4x^2
Final Answer: 4x^2+7x
2. 7x^2 - 2x^2 = 5x^2
find the opposite of each term,
-6x^3 - 7x^3 = -13x^3
9x^5 - 6x^5 = 15x^5
Final Answer: 15x^5-13x^3+5x^2
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Answers & Comments
Answer:
1. 4x^2+7x
2. 15x^5-13x^3+5x^2
Step-by-step explanation:
1. 3x - 4x = 7x
12x^2 - 8x^2 = 4x^2
Final Answer: 4x^2+7x
2. 7x^2 - 2x^2 = 5x^2
find the opposite of each term,
-6x^3 - 7x^3 = -13x^3
9x^5 - 6x^5 = 15x^5
Final Answer: 15x^5-13x^3+5x^2