Pre-Algebra Examples

$3.2 x^{3} + 4.8 x + 3.7$ $2.1 x^{3} + 6.3 x - 2.9$

Step 1

Add the expressions.

$3.2 x^{3} + 4.8 x + 3.7 + 2.1 x^{3} + 6.3 x - 2.9$

Step 2

Add $3.2 x^{3}$ and $2.1 x^{3}$ .

$5.3 x^{3} + 4.8 x + 3.7 + 6.3 x - 2.9$

Step 3

Add $4.8 x$ and $6.3 x$ .

$5.3 x^{3} + 11.1 x + 3.7 - 2.9$

Step 4

Subtract $2.9$ from $3.7$ .

$5.3 x^{3} + 11.1 x + 0.8$