Solving Quadratics by Factorising
Question 1:
4
x
2
−
x
−
5
=
0
x
=
5
4
or
−
1
Question 2:
6
x
2
−
35
x
+
25
=
0
x
=
5
6
or
5
Question 3:
2
x
2
+
7
x
+
6
=
0
x
=
−
3
2
or
−
2
Question 4:
4
x
2
+
9
x
−
9
=
0
x
=
3
4
or
−
3
Question 5:
6
x
2
−
5
x
+
1
=
0
x
=
1
3
or
1
2
Question 6:
9
x
2
−
25
=
0
x
=
−
5
3
or
5
3
