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Mathematics
Mathematics
Problem
Convert each equation into the form
f
(
x
)
=
a
(
x
−
r
1
)
(
x
−
r
2
)
f(x)=a(x-r_1)(x-r_2)
f
(
x
)
=
a
(
x
−
r
1
)
(
x
−
r
2
)
:
f
(
x
)
=
x
2
−
9
f(x)=x^2-9
f
(
x
)
=
x
2
−
9
(*Hint: This is a "difference of squares" where the middle
b
b
b
term is just 0!* )
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