Basic Math Examples

$3.5 a^{3} - a^{2} + 7.5 a - 0.02 + (7.23 a^{3} - 2.38 a^{2} + 5)$

Step 1

Remove parentheses.

$3.5 a^{3} - a^{2} + 7.5 a - 0.02 + 7.23 a^{3} - 2.38 a^{2} + 5$

Step 2

Add $3.5 a^{3}$ and $7.23 a^{3}$ .

$10.73 a^{3} - a^{2} + 7.5 a - 0.02 - 2.38 a^{2} + 5$

Step 3

Subtract $2.38 a^{2}$ from $- a^{2}$ .

$10.73 a^{3} - 3.38 a^{2} + 7.5 a - 0.02 + 5$

Step 4

Add $- 0.02$ and $5$ .

$10.73 a^{3} - 3.38 a^{2} + 7.5 a + 4.98$