Solving Quadratics by Factorising
Question 1:
x
2
+
3
x
+
2
=
0
x
=
-1
or
x
=
-2
Question 2:
x
2
−
12
x
+
35
=
0
x
=
7
or
x
=
5
Question 3:
x
2
+
7
x
+
12
=
0
x
=
-3
or
x
=
-4
Question 4:
x
2
−
7
x
−
18
=
0
x
=
-2
or
x
=
9
Question 5:
x
2
+
2
x
−
24
=
0
x
=
4
or
x
=
-6
Question 6:
x
2
−
36
=
0
x
=
6
or
x
=
-6