Factor 9d2 – 54d + 81

Question

anonymous · Answer

9 (d-3)^2
d (9 d-54)+81
9 (d^2-6 d+9)

anonymous · Answer

d = 3 if solving for the root

anonymous · Answer

anonymous · Answer

a)	(9d + 9)2
	b)	Not factorable
	c)	(9d - 3)2
	d)	(3d – 9)2

anonymous · Answer

c

anonymous · Answer

ops sorry

anonymous · Answer

that web site wont let me do it

anonymous · Answer

what do you mean? you can't download it from your computer or ?

anonymous · Answer

when i downloaded it it wont open

anonymous · Answer

you have to extract it to a folder on your computer and then load it on to your graphing calculator.

anonymous · Answer

it's a .zip file.

amistre64 · Answer

...... real conversation helps to solve problems....not websites .... just a thought.

amistre64 · Answer

first factor out the common stuff..

9d2 – 54d + 81

9(d^2 -6d +9)

amistre64 · Answer

now we can see if this factor  further

amistre64 · Answer

you sure that aint a +54d?   not a typo?

amistre64 · Answer

36 - 4(81)  aint gonna let you go much furhter

anonymous · Answer

it factors to 9 (d-3)^2

amistre64 · Answer

keep your eye on the ball ...lol

36-4(9)=0...theres one solution

anonymous · Answer

according to the original expression

amistre64 · Answer

you are correct with that :)

amistre64 · Answer

it was on the tip of my cerebellum ;)

anonymous · Answer

:D It happens heh I know what you mean

anonymous · Answer

Oh wait just grrr haha