It will take
100
songs for the monthly price of Napster to cost the same as iTunes.
(t-1)(t+1) = t^2-1 through the difference of squares rule
So,
(t-1)(t+1)(t^2+1)
(t^2-1)(t^2+1)
(x-1)(x+1) ... let x = t^2
x^2-1 .... another application of the difference of squares rule
(t^2)^2 - 1... plug in x = t^2
t^4 - 1
Answer:
(x-6)*(x+1)=0
Step-by-step explanation:
1) move the 5x to the left side. x^2-5x-6=0
2) find two numbers that add up to -5 AND multiply to -6. (x-6)*(x+1)=0 (-6×1 = -6 ;-6+1=-5)
Answer:the answer is 9,6
Step-by-step explanation:
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