Question

(2t^2-7t-6)+(t^2-5t+3)

Answer 1

Looks like straight forward addition problem to me, where are you stuck?

Answer 2

I.e. those parenthesis are optional at this point.

Answer 3

\[2t ^{2}\] -7t-6 + \[t ^{2}\] -5t+3 =
\[3t^{2}\]-12t-3

Answer 4

sorry i didn't mean to ask that question

Answer 5

No problems. It's not like you only get three questions.

Answer 6

it's fine