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8 February, 02:46

Simplify (8j^3 - 3j^2 + 5) - (4j^3+8j^2+7j-6)

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  1. 8 February, 03:02
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    4j^3 + 5j^2 + 7j - 1

    Step-by-step explanation:

    (8j^3 - 3j^2 + 5) - (4j^3+8j^2+7j-6)

    Distribute the - 1 in front of the (4j^3+8j^2+7j-6)

    8j^3 - 3j^2 + 5 - 4j^3 + 8j^2 + 7j - 6

    We can combine anything with the same exponent number that "j" is raised to

    8j^3 - 4j^3 = 4j^3

    -3j^2 + 8j^2 = 5j^2

    7j is just 7j since there is nothing else with just j in it

    5 - 6 = - 1

    Add these together

    4j^3 + 5j^2 + 7j - 1 is our final answer
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