So we have
Order of operations says multiply before adding so let's multiply everything together we can.
I'm currently studying for my upcoming precalculus midterm, but I'm having troubles rationalizing denominators and simplifying--and I'm not sure if I'm approaching this correctly. If anyone could lend me pointers to simplify please let me know, I'm really weak in this area.
Use a sum or difference formula to find the exact value of the given expression:
Thus according to the values...
I totally got the wrong answer from here. How should I go about simplifying this?