Help please thank you!

Which expression is equivalent to -5(3x - 6/7)

Prove that 16^4-2^13-4^5 is divisible by 11.

Multiply and simplify. (x - 4) (x^2 – 5x – 6) i will mark brainliest if your answer is right. show how you got the answer. if your answer is correct but does not show how you got the answer you will not be marked brainliest.