Question 1172632
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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
<U>P = (4x-6)m</U>
A = (x+5)(x-8) 
<U>A = (x^2 - 3x - 40)m^2</U>

2) = (-72ab-36ab+18ab)/(-12ab) = (-96ab)/(-12ab)  = 8
Wish You the Best in your Studies.