-60x5 ÷ 5x2
-15x2
12x3
-12x7
-12x3
Factorise 3m3 - 6m2 :
3m (m -2 )
3m2 (m-2)
3m2 ( m + 2 )
3m (m2 - 2)
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)
Factorize 6x + 9
3(2x + 3)
2(6x + 3)
3(3x + 2)
None of these
If the factors of a2 + b2 + 2(ab + bc + ca) are (a + b + 3) and (a + b + nc), then the value of m + n is
0
2
4
6
Factorize 5a ( 2x – 3y ) + 2b ( 2x – 3y):
(2x - 3y) (5a + 2b)
(2x + 3y) (5a - 2b)
(2x + 3y ) ( a + 2b )
The solution of the equation 3 (x - 5) = 5x- 27 is
x = 6
x = 5
x = 4
x = 3
The greatest common factor of 48 a2b2c2 and 84 a3 b3 c3 is
12 a2 b2 c2
4abc
4a2b2c2
4a2c2b
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)
Simplify ( 4x2 – 9) ÷ ( 2x -3)
2x -3
2x + 3
x + 3
x - 3