What is 4x[x[5x-(6-x)]-(x-1)(5x+1)]+4 ?

The solution to 4x[x[5x-(6-x)]-(x-1)(5x+1)]+4 is 4x(x^2-2x+1)+4

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simplify 4x[x[5x-(6-x)]-(x-1)(5x+1)]+4

simplify

4 x [x [5 x - (6 - x)] - (x - 1) (5 x + 1)] + 4

4 x (x^{2} - 2 x + 1) + 4

Solution steps

4 x (x (5 x - (6 - x)) - (x - 1) (5 x + 1)) + 4

Simplify

5 x - (6 - x) : 6 x - 6

= 4 x (x (6 x - 6) - (x - 1) (5 x + 1)) + 4

Expand

x (6 x - 6) : 6 x^{2} - 6 x

= 4 x (6 x^{2} - 6 x - (x - 1) (5 x + 1)) + 4

Expand

- (x - 1) (5 x + 1) : - 5 x^{2} + 4 x + 1

= 4 x (6 x^{2} - 6 x - 5 x^{2} + 4 x + 1) + 4

Group like terms

= 4 x (6 x^{2} - 5 x^{2} - 6 x + 4 x + 1) + 4

Add similar elements:

6 x^{2} - 5 x^{2} = x^{2}

= 4 x (x^{2} - 6 x + 4 x + 1) + 4

Add similar elements:

- 6 x + 4 x = - 2 x

= 4 x (x^{2} - 2 x + 1) + 4

9.25 (18.4 - 2 x^{1.2})

(\frac{x - 1}{x})^{3}

5 \cdot (\frac{1}{5})^{n - 1}

(\frac{2}{3} m - \frac{1}{2} m + 1) + (- \frac{1}{2} m^{2} + \frac{2}{3} m - 1)

(d + 2)^{3}

What is 4x[x[5x-(6-x)]-(x-1)(5x+1)]+4 ?
The solution to 4x[x[5x-(6-x)]-(x-1)(5x+1)]+4 is 4x(x^2-2x+1)+4