Question

How do you add `(z -8/3) + (4/3z^2 -z +1`?

Answer 1

Only terms containing `z` to the same exponent can be combined.

`(z-8/3)+(4/3z^2-z+1)`

`color(green)(4/3z^2) + color(red)(z-z) + color(blue)((-8/3)+1)`

`=4/3z^2-5/3`

`=(4z^2-5)/3`