Question

what is (3x-6)^2 simplified ?

Answer 1

\[9x + 36\]

Answer 2

but do you understand ?

Answer 3

wouldnt it be 9x^2+36?

Answer 4

was that a typing mistake ? did you mean to type \[3x^2 +36 ? which is also wrong\]

Answer 5

the equation is (3x-6) cubed
i need to simplify

Answer 6

yes, i did it for you

Answer 7

so 9x is not squared?

Answer 8

how about (x-10) squared?

Answer 9

try this it will make it make sense \[(3-4)^2\] can you do that ?

Answer 10

9+16? 25?

Answer 11

I thought you might do that :) but the answer is 1

Answer 12

look at it this way (3-4)(3-4) which is the same thing

Answer 13

ohh i see what you did (: so how would you simplify (x-10)squared

Answer 14

ok, work it out the easy way (x-10)(x-10) I'll wait while you try

Answer 15

i dont get what x-10 would be?

Answer 16

its \[x^2 -20x +100\]

Answer 17

do this (3-4)(3-4)

Answer 18

(-1) (-1) ?

Answer 19

its 3 times 3 plus three times -4 plus -4 times 3 plus -4 times -4

Answer 20

all added up to 1

Answer 21

so i have to distribute !

Answer 22

yeah !

Answer 23

its easy when there is multiplication inside the brackets. hard when you have a - or + :)

Answer 24

thanks alot (:

Answer 25

its ok, i still screw up when im not concentrating and forget its different when you have a plus or minus :)