help please? i know i need to combine like terms and i am supposed to work out whats in parenthesis first but there are no like terms to combine in the parenthesis ... a bit confused

Question

anonymous · Answer

attachment

anonymous · Answer

-5t^2 + 2t^2 + 3t +t - 7 + 4
-3t^2 +4t -3

phi · Answer

i am supposed to work out whats in parenthesis first but there are no like terms

That makes it easy.  just take away the parens

phi · Answer

It would be a little more work for
$$ (-5t^2 + 3t  - 7)-(2t^2 +t + 4)$$
where you would have to distribute the minus 1 in front of the 2nd parens

anonymous · Answer

ok thank-you!! not sure why that wasn't the first thing i saw i should have known how to do that aha =p but thanks again! =)