Solving Quadratics by Factorising
Question 1:
x
2
−
7
x
=
0
x
=
0
or
x
=
7
Question 2:
x
2
−
1
=
0
x
=
1
or
x
=
-1
Question 3:
5
x
2
−
20
=
0
x
=
2
or
x
=
-2
Question 4:
x
2
−
12
x
+
32
=
0
x
=
8
or
x
=
4
Question 5:
x
2
64
x
=
8
or
x
=
-8
Question 6:
6
x
2
+
41
x
+
30
=
0
x
=
−
5
6
or
−
6
