Question

You design the wooden poster frame and paint the front surface a. write a polynomial that represents the area of the wood you paint b. you design a frame to display a 16 inch by 20-inch poster. how much wood do you paint? the frame is (3x+12) inches by (4x+4) inches
plz help this is a test rip

Answer 1

$A= 12x^{2} +60x+48 - 320 or A= 12x^{2} +60x - 272$
mutiply the sides together to get a value and subtract the inside area of the frame to find the area.
Frame
$12x^{2} +60x+48$
Area inside
16*20 = 320