Precalculus Examples

$f (x) = 14 x^{2} - 5 x$ , $g (x) = 20 x - 10$

Step 1

Replace the function designators with the actual functions in $f (x) + g (x)$ .

$14 x^{2} - 5 x + 20 x - 10$

Step 2

Add $- 5 x$ and $20 x$ .

$14 x^{2} + 15 x - 10$