Hi, I'm new to the forums and pretty much fail at maths.

General (Basic) maths I can do, but algebra etc. is alien to me.

I'm looking for some help in factorising the following expressions.

and finding the solution to this equation through factorisation:

I also have another problem regarding solving an equation using theFormula Method?

I'll include the question in case it will help you, help me identify the formula.