1 answer
(click or scroll down)
To simplify the expression, we combine like terms.
(7t^2 + 9) + (6t^2 + 8)
We add the coefficients of the like terms:
7t^2 + 6t^2 = 13t^2
We add the constants:
9 + 8 = 17
Therefore, the simplified expression is 13t^2 + 17.