1. 54
2. 51
3. 48
4. 45
54
1. -2
2. -1
3. -1/2
4. -1/3
-2
1. 0
2. 2a
3. 2b
4. 2c
2c
1. x3-27=0
2. x3+27=0
3. x3-3x+27=0
4. x3+3x+27=0
x3-27=0
1. 2α
2. 1/α
3. α2
4. –α
1/α
1. 3
2. -3
3. 6
4. -6
-6
1. -96
2. 96
3. 98
4. -98
98
1. 2 and 3
2. 1 and 2
3. 0 and 1
4. -2 and -3
1 and 2
1. 5x2 + 16x+ 7=0
2. 5x2 - 16x+ 7=0
3. 7x2 + 16x+ 5=0
4. 7x2 -16x+ 5=0
5x2 - 16x+ 7=0
1. 6
2. 5
3. 4
4. 3
6