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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

Respuesta :

[tex](8j^3 - 10j^2 - 7) - (6j^3 - 10j^2 - j + 12)[/tex] 

[tex]8j^3-10j^2-7-(6j^3-10j^2-j+12)[/tex] 

[tex]8j^3-10j^2-7-6j^3-10j^2-j+12[/tex] 

[tex](8j^3-6j^3)+(-10j^2+10j^2)+(-7-12)+j [/tex] 

[tex]2j^3-19+j[/tex] or [tex]2j^3 + j - 19[/tex]
spinetime

Answer:

2j3 − 20j2 + j − 19

Step-by-step explanation:

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