Question

What is the area of a square with perimeter 4x – 12?

Answer 1

first you need to get the length of a side of the square...
since the perimeter i given, divide that expression by 4..
what you have left is the length of a side of the square.
to get the area, square that expression.

Answer 2

it will give you 3

Answer 3

divide the perimeter by 4: \(\large \frac{4x-12}{4}= \) ????

Answer 4

@dpalnc how can I do that. Please help me.. do I cancel out anything or multiply -12*4?

Answer 5

\[\huge \frac{4x-12}{4}=\frac{4(x-3)}{4}=\frac{\cancel4^1(x-3)}{\cancel4^1}=x-3 \]

Answer 6

it's dpaInc not dpanlc :S

Answer 7

like this @dpaInc

Answer 8

lol

Answer 9

no such dpalnc exists in openstudy..just a tip ;)

Answer 10

so x-3 represent the length of a side of the square...
to get the area, square that binomial...

Answer 11

@dpaInc okay.. let me do that

Answer 12

x-6x+9???

Answer 13

yes

Answer 14

ok thanks

Answer 15

yw...:)

Answer 16

Very little correction over there..
Area is \(x^2-6x+9\)

Answer 17

sorry..., @Callisto ,...:)

Answer 18

Nope.. no worries!!~

Answer 19

i need 4 letters to tag u now....

Answer 20

it used to be only 2...

Answer 21

lol. I see what happened there ;)

Answer 22

sorry folks.... i'll be careful.....