Solving Quadratics by Factorising
Question 1:
x
2
+
4
x
−
32
=
0
x
=
-8
or
x
=
4
Question 2:
x
2
+
6
x
+
8
=
0
x
=
-4
or
x
=
-2
Question 3:
x
2
−
15
x
+
54
=
0
x
=
9
or
x
=
6
Question 4:
x
2
−
4
x
−
5
=
0
x
=
-1
or
x
=
5
Question 5:
x
2
+
15
x
+
54
=
0
x
=
-6
or
x
=
-9
Question 6:
x
2
−
6
x
−
7
=
0
x
=
-1
or
x
=
7
