algebra

Simplify −(−6a^3 + 0.2a^2 − 7) Thank you for helping me with this one :)

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  1. −(−6a^3+0.2a^2−7)


    [-(-6a)=6a]

    [-(-7)=7]



    −(−6a^3+0.2a^2−7)=6a^3-0.2a^2+7=


    [6a^3=6a^2*a]


    −(−6a^3+0.2a^2−7)=6a^3-0.2a^2+7=6a^2*a-0.2a+7=

    a^2(6a-0.2)+7


    −(−6a^3+0.2a^2−7) =(6a-0.2)a^2 + 7

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  2. −(−6a^3+0.2a^2−7)


    [-(-6a)=6a]

    [-(-7)=7]



    −(−6a^3+0.2a^2−7)=6a^3-0.2a^2+7


    [6a^3=6a^2*a]


    −(−6a^3+0.2a^2−7)=6a^3-0.2a^2+7=6a^2*a-0.2a^2+7= a^2(6a-0.2)+7


    −(−6a^3+0.2a^2−7) =(6a-0.2)a^2 + 7

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