Question

Length Width
Rectangle A 2x + 8 x - 1
Rectangle B 3x + 5 2x - 2

WHAT IS THE RESULT OF (PERIMETER OF B) MINUS (PERIMETER OF A)

Answer 1

Hey BasedGod1122 again. Do you remember how to find the perimeter of a rectangle?

Answer 2

Yes of course. The length (x2) plus the width (x2)

Which is just adding up the sides.

Answer 3

That's correct.
So first let's find the perimeter of rectangle A.
P = 2L + 2W
P = 2(2x+8) + 2(x-1)
Do you get it?

Answer 4

(4x+16) + (2x-2)
correct?

Answer 5

yes correct!

Answer 6

and then just combine like terms

Answer 7

What did you get?

Answer 8

6x+14?

Answer 9

Yeah that's the perimeter of rectangle A.

Answer 10

So now try to do the same thing for the perimeter of rectangle B.

Answer 11

P = 2(3x+5) + 2(2x-2)

Answer 12

(6x + 10) (4x-4)

Answer 13

Yes correct but you forgot to add the addition sign.
It would look like this:
(6x+10)+(4x-4)

Answer 14

Combine like terms again

Answer 15

What did you get?

Answer 16

10x and 6?

Answer 17

10x + 6 and that's the perimeter of rectangle B

Answer 18

So what the question is asking (perimeter of B) - (perimeter of A) so just plug in the what you got.
(10x +6) - (6x + 14)

Answer 19

Remember to distribute the negative sign first.

Answer 20

And then combine like terms

Answer 21

4x -8

Answer 22

Yes that's correct. Is that one of the answers?

Answer 23

Yes. thank you again turquoisee

Answer 24

You're welcome! :)