Answer
$36x^{2}+60x+25$
Work Step by Step
Step 1: $(6x+5)^{2}$
Step 2: Using the special product, $(6x+5)^{2}=(6x)^{2}+2(6x)(5)+(5)^{2}$
Step 3: $(6x)^{2}+2(6x)(5)+(5)^{2}=36x^{2}+60x+25$
Step 4: Therefore, the required answer is $36x^{2}+60x+25$
