Answer:
its really good luck for you know what is not my phone
The square of a binomial expands as follows:

Expanding all the binomials, we have

Sum like terms:

Simplify terms appearing on both sides:

Move all terms involving k to the left and all numbers to the right:

Divide both sides by -20:

Answer:
21,316! hope that helps lol
11/15, you would just divide 22/30 in half and that's as far as it can go.