SOLUTION: Can you please help me with these questions. 1. A rectangular field has a length of X + 5 and width of X-8 meters, find the perimeter in terms of X and the area. 2.-72ab-36ab+18ab

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Question 1172632: Can you please help me with these questions. 1. A rectangular field has a length of X + 5 and width of X-8 meters, find the perimeter in terms of X and the area.
2.-72ab-36ab+18ab all divided by -12ab

Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!

Hi
1)A rectangular field has a length of X + 5 and width of X-8 meters
P = 2(x+5) + 2(x-8) = 2x + 10 + 2x - 16 = 4x-6
P = (4x-6)m
A = (x+5)(x-8)
A = (x^2 - 3x - 40)m^2
2) = (-72ab-36ab+18ab)/(-12ab) = (-96ab)/(-12ab) = 8
Wish You the Best in your Studies.