Which quadratic inequalities is equal to ( x - 5) ( x - 1) < 0?
A. x² - 6x - 5 < 0
B. x² - 6x + 5 < 0
C. x² + 6x - 5< 0
D. x² + 6x + 5 < 0
A. x² - 6x - 5 < 0
B. x² - 6x + 5 < 0
C. x² + 6x - 5< 0
D. x² + 6x + 5 < 0
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Answer:
b
Step-by-step explanation:
kasi using foil method, you'll see it. kelangan ba step by step? sige wait
(x-5)(x-1)<0
x²-1x
-5x+5
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x²-6x+5 <0
B Kasi X×X is X² and -5X×X is -6X and -5×-1 is positive 5 kasi negative×Nagetive ang result ay positive