Asked by Anonymous
Find the zeros of the function algebraically. (Enter your answers as a comma-separated list.)
f(x) = 2x2 − 3x − 20
x =
f(x) = 2x2 − 3x − 20
x =
Answers
Answered by
Damon
(2x + 5)(x - 4) = 2 x^2 + 5 x - 8 x - 20
= 2 x^2 -3 x -20
so
4 and -5/2
= 2 x^2 -3 x -20
so
4 and -5/2
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