Video Transcript
Simplify two π plus one minus three π plus two.
In order to simplify this expression, we need to group or collect the like terms. We need to subtract three π from two π . And we need to subtract positive two from positive one. Two π minus three π is equal to negative π or negative one π as two minus three equals negative one. Positive one minus positive two is equal to negative one.
The negative and positive signs that are touching become a negative or subtraction sign. Weβre therefore left with positive one minus two. This is equal to negative one. This means that two π plus one minus three π plus two, simplified, is negative π minus one.
