Given that f(x) = 4xˆ3 -24xˆ2 + 45x -25.
a) Factor f(x), given that 1 is a zero.
b) Solce f(x) = 0. Write your answer as integers or simplified fractions.
Since x=1 is a zero so (x-1) is a factor.
Use synthetic division to find the other factor.
Other factor is = 4x^2 -20x + 25
Then we factor 4x^2 -20x + 25=0
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