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Find the zeros of f(x) = 9x2 - 27x + 20
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Find the zeros of f(x) = 9x2 - 27x + 20

User Mkral
by
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1 Answer

1 vote
factor
f(x)=(3x-5)(3x-4)
set to zero

3x-5=0
3x=5
x=5/3

3x-4=0
3x=4
x=4/3

x=4/3 and 5/3
zeroes are at (4/3,0) and (5/3,0)
User Patrick Klitzke
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