Solving Quadratics by Factorising
Question 1:
x
2
−
7
x
=
0
x
=
0
or
x
=
7
Question 2:
x
2
−
9
=
0
x
=
3
or
x
=
-3
Question 3:
4
x
2
−
196
=
0
x
=
7
or
x
=
-7
Question 4:
x
2
−
4
x
−
5
=
0
x
=
5
or
x
=
-1
Question 5:
x
2
−
16
x
=
−
60
x
=
6
or
x
=
10
Question 6:
3
x
2
−
x
−
2
=
0
x
=
−
2
3
or
1
