Question

1. Refer to the rectangle below. The length of the rectangle is x + 12. The width of the rectangle is x + 3. Please determine the area of the rectangle.

2.
3. Simplify each expression. Show as much work as possible for each question for full credit. Write each answer in standard form.

a) (-5 +x)(x+4) (Show your work)
b) Is the product of -5 +x and x+4 equal to the product of 5+x and x-4? Explain your answer. (Show your work to prove your answer)
c) (2+5)(3²+4−3) (Show your work)

Answer 1

1) x^2+15x+36

3a) x^2-x-20

3b) No {not equal}

3c) 448

Explanation:

Ⓗⓘ ⓣⓗⓔⓡⓔ

˜”*°•.˜”*°• Area: •°*”˜.•°*”˜

Well, we know the area of a rectangle is L*W

L=x+12

W=x+3

so we would multiply!

(x+12)(x+3)=x^2+3x+12x+36=x^2+15x+36

Answer 2

Sorry I can't be of much help but number one is 4x+12

Explanation:

A=l*w

A=x+12*x+3