Answer:
Down below
Step-by-step explanation:
Use the binomial theorem for the second power, which we find that:
[tex](a+b)^2=a^2+2ab+b^2\\(a-b)^2=a^2-2ab+b^2[/tex]
Here
[tex]a=4x\\b=3[/tex]
we use the second formula.
So, we get:
[tex](4x-3)^2=(4x)^2-2*3*4x+3^2\\16x^2-24x+9[/tex]
