Examples

$f (x) = x^{4} + x^{3} - 11 x^{2} - 5 x + 30$ , $g (x) = 2 x - 2$

Step 1

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

$x^{4} + x^{3} - 11 x^{2} - 5 x + 30 + 2 x - 2$

Step 2

Simplify.

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Step 2.1

Add $- 5 x$ and $2 x$ .

$x^{4} + x^{3} - 11 x^{2} - 3 x + 30 - 2$

Step 2.2

Subtract $2$ from $30$ .

$x^{4} + x^{3} - 11 x^{2} - 3 x + 28$

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