Solving Quadratics by Factorising
Question 1:
5
x
2
+
29
x
−
6
=
0
x
=
1
5
or
−
6
Question 2:
5
x
2
+
22
x
−
15
=
0
x
=
3
5
or
−
5
Question 3:
5
x
2
−
23
x
−
10
=
0
x
=
−
2
5
or
5
Question 4:
3
x
2
−
13
x
+
4
=
0
x
=
1
3
or
4
Question 5:
4
x
2
−
9
=
0
x
=
3
2
or
−
3
2
Question 6:
9
x
2
−
27
x
+
20
=
0
x
=
5
3
or
4
3