Answer:
[tex]25x^2 - 60x + 36[/tex]
Step-by-step explanation:
Step 1: FOIL
[tex](5x-6)^2[/tex]
[tex](5x-6)(5x-6)[/tex]
[tex](5x*5x)+(5x*-6)+(-6*5x)+(-6*-6)[/tex]
[tex]25x^2 - 30x - 30x + 36[/tex]
[tex]25x^2 - 60x + 36[/tex]
Answer: [tex]25x^2 - 60x + 36[/tex]