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6 votes
Use the quadratic formula to find the solutions to the equation.
x2-3x+ 1 = 0

Use the quadratic formula to find the solutions to the equation. x2-3x+ 1 = 0-example-1
User Anptk
by
3.3k points

1 Answer

14 votes
14 votes
The solution of a quadratic equation
a
x
2
+
b
x
+
c
=
0
, using quadratic formula is given by

b
±

b
2

4
a
c
2
a
Hence the solution of
x
2
+
3
x
+
1
=
0
is given by
x
=

3
±

3
2

4

1

1
2

1
or
x
=

3
±

9

4
2
=

3
±

5
2
Hence solution is given by irrational numbers

3
+

5
2
and

3


5
2
.
User Ventrilocus
by
2.3k points