Question

(5+8g)(1-2g)=0

Answer 1

FOIL

Answer 2

what's a foil?

Answer 3

5-10g+8g-16g^2 = 0

-16g^2 -10g + 5 = 0

Answer 4

thts a technique to remember how to memorize the multiplication.

Answer 5

http://en.wikipedia.org/wiki/FOIL_method

Answer 6

oh ok thanks!

Answer 7

welks!

Answer 8

-10g+8g = -2g?

Answer 9

whts that^??

Answer 10

you went from 5-10g+8g-16g^2=0 to -16g^2-10g+5=0 but doesnt -10g+8g=-2g?

Answer 11

so shouldnt it be 5-2g-16g^2=0 ?

Answer 12

hello?

Answer 13

hello?