Solving Quadratics by Factorising
Question 1:
6
x
2
+
7
x
−
10
=
0
x
=
5
6
or
−
2
Question 2:
2
x
2
−
9
x
−
5
=
0
x
=
−
1
2
or
5
Question 3:
4
x
2
+
13
x
+
3
=
0
x
=
−
1
4
or
−
3
Question 4:
2
x
2
+
17
x
+
30
=
0
x
=
−
5
2
or
−
6
Question 5:
6
x
2
−
7
x
−
5
=
0
x
=
−
1
2
or
5
3
Question 6:
4
x
2
+
12
x
+
5
=
0
x
=
−
5
2
or
−
1
2
