Solving Quadratics by Factorising
Question 1:
x
2
−
4
x
−
60
=
0
x
=
-6
or
x
=
10
Question 2:
x
2
+
3
x
+
2
=
0
x
=
-1
or
x
=
-2
Question 3:
x
2
+
13
x
+
40
=
0
x
=
-8
or
x
=
-5
Question 4:
x
2
+
7
x
−
8
=
0
x
=
-8
or
x
=
1
Question 5:
x
2
−
1
=
0
x
=
-1
or
x
=
1
Question 6:
x
2
−
11
x
+
24
=
0
x
=
3
or
x
=
8
