What is 4(a^2-7a[-4a-3(a^2-2a)]) ?

The solution to 4(a^2-7a[-4a-3(a^2-2a)]) is 84a^3-52a^2

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simplify 4(a^2-7a[-4a-3(a^2-2a)])

simplify

4 (a^{2} - 7 a [- 4 a - 3 (a^{2} - 2 a)])

84 a^{3} - 52 a^{2}

Solution steps

4 (a^{2} - 7 a (- 4 a - 3 (a^{2} - 2 a)))

Simplify

a^{2} - 7 a (- 4 a - 3 (a^{2} - 2 a)) : 21 a^{3} - 13 a^{2}

= 4 (21 a^{3} - 13 a^{2})

Expand

4 (21 a^{3} - 13 a^{2}) : 84 a^{3} - 52 a^{2}

= 84 a^{3} - 52 a^{2}

8 (4)

8 - 15

8 - 2 x

81 - 9

\frac{( 4 v ) ^{2}}{4 v}

What is 4(a^2-7a[-4a-3(a^2-2a)]) ?
The solution to 4(a^2-7a[-4a-3(a^2-2a)]) is 84a^3-52a^2