Express as a trinomial. \[ (3 x+4)(2 x+10) \]

Step 1 ：Given the expression \((3 x+4)(2 x+10)\), we are asked to express it as a trinomial.

Step 2 ：By applying the distributive property (also known as the FOIL method), we multiply each term in the first binomial by each term in the second binomial.

Step 3 ：The result of this operation is \(6x^2 + 38x + 40\).

Step 4 ：So, the trinomial form of the given expression is \(\boxed{6x^2 + 38x + 40}\).