Question

Please help! Add, subtract, multiply, or divide as indicated. Make sure that the final answer is simplified completely.
2/x-2*x^2-4/4

Answer 1

order of addition- PEMDAS

Answer 2

\[\frac{2}{x-2}*\frac{x^{2}-4}{4}\]

Answer 3

factor x^2 -4

Answer 4

diff of 2 perfect squares

Answer 5

\[x^{2}-4 = ?\]

Answer 6

-4

Answer 7

don't think number answer, you are factoring into (x+a)(x+b) form

Answer 8

a*b = -4
a+b = 0

what is a, what is b

Answer 9

any ideas?
what are 2 numbers that multiply to -4

Answer 10

-4, 1?

Answer 11

yep
now check to see if they add up to 0

Answer 12

-3, so no.

Answer 13

so try 2 other numbers that multiply to -4

Answer 14

-2, 2

Answer 15

x-2/2?

Answer 16

sorry i got cut off from my computer...
so a and b are -2,2
\[x^{2}-4 = (x+2)(x-2)\]
Now you can cancel and reduce

Answer 17

oh i see..almost
the (x-2) is on the bottom so that is what cancels leaving (x+2) on top
answer: (x+2)/2