Hey there!
t(3t + 4) + 3t(3t + 2t)
= 1t(3t + 4) + 3t(3t + 2t)
= 1t(3t) + 1t(4) + 3t(3t) + 3t(2t)
= 3t^2 + 4t + 9t^2 + 6t^2
= 12t^2 + 6t^2 + 4t
= 18t^2 + 4t
Therefore, your answer is: 18t^2 + 4t
Good luck on your assignment and enjoy your day!
~Amphitrite1040:)
