Find the polynomial that represents the perimeter of a rectangle that has a length of 3x-2 and width of x+4?
2 Answers
Apr 20, 2018
Explanation:
" the perimeter of a rectangle is "
• " perimeter "=2l+2w
"where l is the length and w the width"
"here "l=3x-2" and "w=x+4
rArr"perimeter "=2(3x-2)+2(x+4)larrcolor(blue)"distribute"
color(white)(rArr"perimeter ")=6x-4+2x+8larrcolor(blue)"collect like terms"
color(white)(rArr"perimeter ")=8x+4
Perimeter
Explanation:
Perimeter of a rectangle is given by the formula
Length
collecting (grouping) like terms: