Solving Quadratics by Factorising
Question 1:
4
x
2
−
25
x
+
6
=
0
x
=
1
4
or
6
Question 2:
2
x
2
−
3
x
−
5
=
0
x
=
5
2
or
−
1
Question 3:
5
x
2
−
29
x
−
6
=
0
x
=
−
1
5
or
6
Question 4:
5
x
2
−
9
x
+
4
=
0
x
=
4
5
or
1
Question 5:
9
x
2
+
3
x
−
20
=
0
x
=
−
5
3
or
4
3
Question 6:
6
x
2
−
11
x
−
10
=
0
x
=
−
2
3
or
5
2
