# 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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