Solving Quadratics by Factorising
Question 1:
x
2
−
2
x
=
0
x
=
0
or
x
=
2
Question 2:
x
2
−
49
=
0
x
=
7
or
x
=
-7
Question 3:
4
x
2
−
64
=
0
x
=
4
or
x
=
-4
Question 4:
x
2
−
10
x
+
25
=
0
x
=
5
Question 5:
x
2
−
13
x
=
−
40
x
=
5
or
x
=
8
Question 6:
6
x
2
+
x
−
5
=
0
x
=
5
6
or
−
1