Factorisation of x3y2 + x2y3 is
x2 (x + y)
x2y2 (x + y)
xy (x + y)
xy (x2 + y2)
a
3 a
4 a
5 a
One of the factors of (x - y)2 - 4 (x - y) - 45 is
x - y + 9
x - y - 5
x - y - 9
x + y + 5
One of the factors of x2 + y2 + 2xy - z2 is
(x + y + z)
(x + y - z)
(-x - y + z)
(-x + y - z)
Which of the following is one side of a rectangle with area 40n2 + n - 6?
8n + 3
5n - 2
5n + 2
8n + 4
For what value of C are the factors of (x2 - Cx + 81/16) the same?
7/2
9/2
9/4
-9/4
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
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 polynomial a2 - b + ab - a on factorisation reduces to
(a + b) (a2 + b2)
(a + b) (a + 1)
(a - b) (a + b)
(a + b) (a - 1)
25 (x + y)2 - 36 (x - 2y)2 can be factorised as
(5x - 12y) (-6x + 5y)
(11x - 7y) (-x + 17y)
(-11x + 7y) (x - 17y)
(-5x + 12y) (6x - 5y)
