-60x5 ÷ 5x2
-15x2
12x3
-12x7
-12x3
If x = 7, find the value of the expression x3 + 7x2 + 4x + 2
748
685
716
694
If x + a is a factor of x4 - a2x2 + 3x - a, then the value of a is
0
1
2
3
Factorize 21a2bc + 28ab2c + 35abc2
7a2bc(3a + 4b + 5c)
3ab2c(3a + 46 + 5c)
7abc(3a + 4b + 5c)
7ab2c(3a + 4 + 5c)
If x = -3, y = 5. Find the value of x3y2 + 9x2y - xy + 12x + 15
276
-294
253
-276
Factorise 4x2 + 9y2 – 4z2 – 12 xy
( 2x – 3y + 2z) (2x -3y – 2z)
(2x + 3y – 2z) ( 2x + 3y + 22)
(2x – 3y – 2z) ( 2x – 3y + 2z)
(2x + 3y + 2z) ( 2x – 3y -2z)
If a number plus two third of it self plus one half of itself plus one seventh equals 97, then the number is
40
48
42
46
The polynomial, x6 + 64y6 on factorisation gives
(x2 + 4y2) (x4 - 4y4)
(x2 + 4y2) (x4 - 4x2y2 + 16y4)
(x2 - 4y2) (x4 + 4y4)
(x2 + 4y2) (x4 + 4x2y2 + 16y4)
x3 ÷ x3 =
x
None of these
The greatest common factor of 48 a2b2c2 and 84 a3 b3 c3 is
12 a2 b2 c2
4abc
4a2b2c2
4a2c2b
