Precalculus Examples

$4 x^{2} - y - 8 x^{3}$

Step 1

Reorder the expression.

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Step 1.1

Move $- y$ .

$4 x^{2} - 8 x^{3} - y$

Step 1.2

Reorder $4 x^{2}$ and $- 8 x^{3}$ .

$- 8 x^{3} + 4 x^{2} - y$

Step 2

Factor $- 1$ out of $- 8 x^{3}$ .

$- (8 x^{3}) + 4 x^{2} - y$

Step 3

Factor $- 1$ out of $4 x^{2}$ .

$- (8 x^{3}) - (- 4 x^{2}) - y$

Step 4

Factor $- 1$ out of $- y$ .

$- (8 x^{3}) - (- 4 x^{2}) - (y)$

Step 5

Factor $- 1$ out of $- (8 x^{3}) - (- 4 x^{2})$ .

$- (8 x^{3} - 4 x^{2}) - (y)$

Step 6

Factor $- 1$ out of $- (8 x^{3} - 4 x^{2}) - (y)$ .

$- (8 x^{3} - 4 x^{2} + y)$