Finite Math Examples

$4 n^{2} + 7 n - 3 + (4 n^{2} + 7 n - 3) + (2 n - 4) + (2 n - 4)$

Step 1

Remove parentheses.

$4 n^{2} + 7 n - 3 + 4 n^{2} + 7 n - 3 + 2 n - 4 + 2 n - 4$

Step 2

Add $4 n^{2}$ and $4 n^{2}$ .

$8 n^{2} + 7 n - 3 + 7 n - 3 + 2 n - 4 + 2 n - 4$

Step 3

Add $7 n$ and $7 n$ .

$8 n^{2} + 14 n - 3 - 3 + 2 n - 4 + 2 n - 4$

Step 4

Add $14 n$ and $2 n$ .

$8 n^{2} + 16 n - 3 - 3 - 4 + 2 n - 4$

Step 5

Add $16 n$ and $2 n$ .

$8 n^{2} + 18 n - 3 - 3 - 4 - 4$

Step 6

Simplify by subtracting numbers.

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Step 6.1

Subtract $3$ from $- 3$ .

$8 n^{2} + 18 n - 6 - 4 - 4$

Step 6.2

Subtract $4$ from $- 6$ .

$8 n^{2} + 18 n - 10 - 4$

Step 6.3

Subtract $4$ from $- 10$ .

$8 n^{2} + 18 n - 14$