Solving Quadratics by Factorising
Question 1:
x
2
−
8
x
=
0
x
=
0
or
x
=
8
Question 2:
x
2
−
1
=
0
x
=
1
or
x
=
-1
Question 3:
3
x
2
−
147
=
0
x
=
7
or
x
=
-7
Question 4:
x
2
−
4
x
−
32
=
0
x
=
-4
or
x
=
8
Question 5:
x
2
+
5
x
=
50
x
=
5
or
x
=
-10
Question 6:
2
x
2
−
7
x
−
4
=
0
x
=
−
1
2
or
4
