Answer:
width is -4+ [tex]\sqrt{13[/tex] and it's length is 4+ [tex]\sqrt{13[/tex].
Step-by-step explanation:
Let it's width be X. Then the area is x(x+8) = x^2+8x= 192. This is equal to [tex]x^2+8x - 192 = 0[/tex] . X = -4 Plus/Minus [tex]\sqrt{13[/tex]. Since x is positive, it's width is -4+ [tex]\sqrt{13[/tex] and it's length is 4+ [tex]\sqrt{13[/tex].
