Answer:
1. 2x³
subtract 4x³ to 2x³
2. -1
calculate 9x to the power of 0 and get 1.
3. -x-8
subtract 2x from x
4. 676x³-7
Add their exponent together, add 2 and 1 to get 3.
Multiply 52x² and 13.
5. 10x⁶y²- 15x²y
5x²y times to 2x⁴y
then 5x²y times to -3
//
Some of it are confusing since the way you arranged them, hope got them right! :DD
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Answers & Comments
Answer:
1. 2x³
subtract 4x³ to 2x³
2. -1
calculate 9x to the power of 0 and get 1.
3. -x-8
subtract 2x from x
4. 676x³-7
Add their exponent together, add 2 and 1 to get 3.
Multiply 52x² and 13.
5. 10x⁶y²- 15x²y
5x²y times to 2x⁴y
then 5x²y times to -3
//
Some of it are confusing since the way you arranged them, hope got them right! :DD