Question

(5x-3)^2

Answer 1

Use this: (a-b)^2 = a^2 - 2ab + b^2

(5x-3)^2 = (5x)^2 - 2(5x)(3) + 3^2

And then just solve it. :)

Answer 2

Thanks, I remember you can also use foil for the same effect.

Answer 3

Yes you are correct! :)