Answer: [tex]=9x^2-12x+4[/tex]
Step-by-step explanation:
[tex]\left(3x-2\right)^2[/tex]
[tex]\mathrm{Apply\:Perfect\:Square\:Formula}:\quad \left(a-b\right)^2=a^2-2ab+b^2[/tex]
[tex]=\left(3x\right)^2-2\cdot \:3x\cdot \:2+2^2[/tex]
Simplify
[tex]=9x^2-12x+4[/tex]