Question

http://prntscr.com/b12n0v

Answer 1

@Callisto @Nnesha @agent0smith please help me :( I don't understand

Answer 2

@rebeccaxhawaii

Answer 3

@sweetburger @IrishBoy123

Answer 4

A=L*W
Let say width is (2x+5) and length is (2x+6)
A=(2x+5)(2x+6)
We want the area to equal 31
so
(2x+5)(2x+6)=31

Answer 5

then just expand the left side

Answer 6

huh? xD

Answer 7

You know the formula for the area of a rectangle?

Answer 8

lw

Answer 9

So whats the length of the painting and the boarder

Answer 10

5 and 6?

Answer 11

6+2x?

Answer 12

yes 6+2x

so what is the width?

Answer 13

5+2x

Answer 14

So what is length times the width

Answer 15

5+2x*6+2x

Answer 16

Yes now you need to expand that

Answer 17

expand?

Answer 18

do you know what FOIL is?

Answer 19

front outer inner last?

Answer 20

oh its like a distribute thing i remember

Answer 21

Yes exactly

Answer 22

Its distribution in the order of First Outer Inner Last

Answer 23

yes, so I am distributing (2x+5)(2x+6)=31?

Answer 24

yes

Answer 25

So 2x( 2x + 6) + 5(2x + 6) = 31

Answer 26

oh yes, like that

Answer 27

do we change it into standard form or something

Answer 28

just expand the expressions on the left then subtract 31 from both sides. then a little more simplifying will give you a quadratic eqquation

Answer 29

IDK what expanding means :( is it just foil?

Answer 30

Expand is a much much more correct word for FOIL.

(x + y + z)(3x + 2y + z)

You can expand this. You cannot first inner outer last this.

Answer 31

oh

Answer 32

@ILovePuppiesLol sorry dude had to run to the store.

Answer 33

If u still need help lemme know

Answer 34

u ran to 7/11?

Answer 35

i need help lol @sweetburger

Answer 36

So from the point
(2x+5)(2x+6) when you expand it you get 4x^2+22x+30 =31. Now you need to get it set equal to 0.