Question

Let A = 2x + 5 and B = x2 - 4x – 1
Find A - B
PLEASE HELP

Answer 1

A - B equals x-4


First, combine your like terms, 2x, 2x, and -4x, which equals to 0x or x. Then, you add the regular numbers together, +5 and -1, which equals to 4. Now that we have our numbers, our full answer will be x-4.