Question

PLEASE EXPLAIN i do not understand this topic please explain the steps and i will give the answer, i just need help!
Special Products: Multiply (x-2)(x+2)=20

Answer 1

Anyone?

Answer 2

please help?

Answer 3

you might want to expand (foil) that left side to start with

Answer 4

x^2 − 4 = 20?

Answer 5

so far so good, now add 4 to each side and sqrt

Answer 6

x^2 = 24?

Answer 7

good, now square root to undo that ^2

Answer 8

x = ±2√6

Answer 9

perfect

Answer 10

is that the answer?

Answer 11

well, as was told to Alice in teh looking glass, you start at the beginning, and when you get to the end ....stop.

Answer 12

ok thanks! you helped a lot! now i can get started on my HW!

Answer 13

good luck :)

Answer 14

thanks