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Mathematics
Mathematics
Problem
Write in the form
a
x
2
+
b
x
+
c
=
0
ax^2 + bx + c = 0
a
x
2
+
b
x
+
c
=
0
, and hence solve for
x
x
x
: a.
a
x
=
9
x
x = \frac{9}{x}
x
=
x
9
b.
b
1
x
=
3
x
2
−
2
\frac{1}{x} = \frac{3}{x^2} - 2
x
1
=
x
2
3
−
2
c.
c
3
x
−
1
=
2
x
3x - 1 = \frac{2}{x}
3
x
−
1
=
x
2
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