P(x) Q(x) = R(x); if P(x) 72 Am R(x); if P(x)=x+2 and R(x) = x³ - 3x² - 6x-2, what is Q(x)?
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hi
-16t²+250 = 75
-16t² = 75 -250
-16t² = -175
t² = -175 /-16
t² = 175/16
Here there si two solutions : t = and t = -
However, as time cannot rewind, we will keep only positive solution
So t =
in seconds it will be : 3.3 seconds