Solving Quadratics by Factorising
Question 1:
x
2
−
3
x
=
0
x
=
0
or
x
=
3
Question 2:
x
2
−
49
=
0
x
=
7
or
x
=
-7
Question 3:
3
x
2
−
243
=
0
x
=
9
or
x
=
-9
Question 4:
x
2
−
10
x
+
24
=
0
x
=
4
or
x
=
6
Question 5:
x
2
+
8
x
=
9
x
=
1
or
x
=
-9
Question 6:
4
x
2
+
x
−
3
=
0
x
=
3
4
or
−
1
