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Simplify (8j3 – 10j2 – 7) – (6j3 – 10j2 – j + 12). 2j3 – 20j2 – j + 5 2j3 + j – 19 2j3 – 20j2 + j – 19 2j3 – j + 5
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1 vote
Simplify (8j3 – 10j2 – 7) – (6j3 – 10j2 – j + 12).

2j3 – 20j2 – j + 5
2j3 + j – 19
2j3 – 20j2 + j – 19
2j3 – j + 5

User Grasshopper
by
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2 Answers

3 votes

Answer:

2j3 − 20j2 + j − 19

Explanation:

User Wellingr
by
6.1k points
4 votes

(8j^3 - 10j^2 - 7) - (6j^3 - 10j^2 - j + 12)


8j^3-10j^2-7-(6j^3-10j^2-j+12)


8j^3-10j^2-7-6j^3-10j^2-j+12


(8j^3-6j^3)+(-10j^2+10j^2)+(-7-12)+j


2j^3-19+j or
2j^3 + j - 19
User Shervin Emami
by
6.3k points
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