Factor: 4x^2-12x+9=0
Tricky Trinomial4x^2-12x=9(4x^2-6x)(-6x+9)2x(2x-3)-3(2x-3)= (2x-3)^2
Use formula \(a^2-2ab+b^2=(a-b)^2\)\(4x^2-12x+9 \\(2x)^2-2(2x)(3)+3^2 \\(2x-3)^2\)