What is expand-3left(x+1)^2+12 ?

The solution to expand-3left(x+1)^2+12 is -3elftx^2-6elftx-3elft+12

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expand-3left(x+1)^2+12

expand

- 3 l e f t (x + 1)^{2} + 12

- 3 e l f t x^{2} - 6 e l f t x - 3 e l f t + 12

Solution steps

- 3 l e f t (x + 1)^{2} + 12

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

= - 3 e l f t (x^{2} + 2 x + 1) + 12

= - 3 e l f t (x^{2} + 2 x + 1) + 12

Expand

- 3 l e f t (x^{2} + 2 x + 1) : - 3 e l f t x^{2} - 6 e l f t x - 3 e l f t

= - 3 e l f t x^{2} - 6 e l f t x - 3 e l f t + 12

\frac{2}{5} (3 x - 5)

(x + d e lt a x)^{3}

\frac{10 x ^{3} + 20 x + 2}{( x ^{2} + 2 ) ( x ^{2} + 1 )}

(\frac{x}{7 - 2 x}) (2 x^{2} - 7) (- 7 - x)

\frac{x ^{4} + x ^{2} + 1}{( x ^{2} + 3 x + 2 ) ^{2} ( x + 4 ) ^{2}}

What is expand-3left(x+1)^2+12 ?
The solution to expand-3left(x+1)^2+12 is -3elftx^2-6elftx-3elft+12