Question: i dont understand how to write in interval form and why i dont have to do table of signs TENTH TUTORIAL 3 OF 5 Question

i dont understand how to write in interval form and why i dont have to do table of signs

TENTH TUTORIAL 3 OF 5 Question 1 b ) 8 - 4 X 7 1 - X x + 5 8 - 4X - 1 + x (x+5) 70 X +5 1 / ( ( * + 5 ) 8 - 4 X ( - X - 5 + x # + 5 x ) 70 X +5 X 2+ 3 X + 5 X 2 + 3 = 0 x +5 = 0 X = - 5
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