The polynomial 12m3 + 6m2 - 6m on factorisation reduces to
(2m - 1) (m + 1)
6 (2m - 1) (m + 1)
6m (2m + 1) (m + 1)
6m (2m - 1) (m + 1)
The area of a square is 4x2 + 20x + 25 which expression represents a side of the square?
(2x - 5)
(5 - 2x)
(2x + 5)
2x2 + 5
a
3 a
4 a
5 a
Which is the correct factorisation of x2 - 10x - 24?
(x + 2) (x - 12)
(x - 2) (x + 12)
(x + 4) (x - 6)
(x - 4) (x - 6)
The binomial x - 3 is not a factor of which of the following trinomials?
2x2 - x - 15
3x2 - 13x + 12
2x2 - 8x + 6
2x2 - 7x - 3
x - 7
x - 2
x + 2
x - 1
For what value of C are the factors of (x2 - Cx + 81/16) the same?
7/2
9/2
9/4
-9/4
Factorisation of the polynomial 2a2 + 7ab - 15b2 is
(2a + 3b) (a + 5b)
(2a - 3b) (a + 5b)
(2a + 3b) (a - 5b)
(2a - 3b) (a - 5b)
Factorisation of x3y2 + x2y3 is
x2 (x + y)
x2y2 (x + y)
xy (x + y)
xy (x2 + y2)
Factorisation of the polynomial (x - y)2 a2 + 2 (x - y) (x + y)ab + (x+ y)2 b2 gives
(ax - by) (ax + by)
(ax + by) (bx + ay)
(ax - ay + bx + by)2
(ax + ay + bx + by)2
