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:
