Finite Math Examples

$7 x^{3} - 7 x^{6} + 8 x - 8 x^{7} + (9 x^{3} + 7 x^{6} + 2 x^{7} + 9 x^{4})$

Step 1

Remove parentheses.

$7 x^{3} - 7 x^{6} + 8 x - 8 x^{7} + 9 x^{3} + 7 x^{6} + 2 x^{7} + 9 x^{4}$

Step 2

Combine the opposite terms in $7 x^{3} - 7 x^{6} + 8 x - 8 x^{7} + 9 x^{3} + 7 x^{6} + 2 x^{7} + 9 x^{4}$ .

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Step 2.1

Add $- 7 x^{6}$ and $7 x^{6}$ .

$7 x^{3} + 8 x - 8 x^{7} + 9 x^{3} + 0 + 2 x^{7} + 9 x^{4}$

Step 2.2

Add $7 x^{3} + 8 x - 8 x^{7} + 9 x^{3}$ and $0$ .

$7 x^{3} + 8 x - 8 x^{7} + 9 x^{3} + 2 x^{7} + 9 x^{4}$

Step 3

Add $7 x^{3}$ and $9 x^{3}$ .

$16 x^{3} + 8 x - 8 x^{7} + 2 x^{7} + 9 x^{4}$

Step 4

Add $- 8 x^{7}$ and $2 x^{7}$ .

$16 x^{3} + 8 x - 6 x^{7} + 9 x^{4}$

Step 5

Reorder.

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Step 5.1

Move $8 x$ .

$16 x^{3} - 6 x^{7} + 9 x^{4} + 8 x$

Step 5.2

Move $16 x^{3}$ .

$- 6 x^{7} + 9 x^{4} + 16 x^{3} + 8 x$