# How do you write #(6x^3 − 8x − 5) + (3x^3 + 6x + 2)# in standard form?

##### 1 Answer

Jul 2, 2018

#### Explanation:

Don't forget to get the signs right.

If the sign before the second bracket was a minus then you would have to multiply through by -1.

( i.e. everything in the second brackets would change sign when the brackets are removed)

(+- makes -, -+ makes -, ++ makes +, -- makes +)

Group all terms of the same type together

(

Note: this is not the same if multipying (e.g.

Start with unknowns of highest power, end with constants:

Simplify: