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inessss [21]
2 years ago
7

Help. I need to simplify... 2x^3 x -9x^4

Mathematics
1 answer:
slavikrds [6]2 years ago
8 0

Step-by-step explanation:

<u>Rule: When exponents multiply, they add.</u>

<u />

<u>Multiply each expressions:</u>

2x^3\times-9x^4=-18x^7

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