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
Factorisation of x3y2 + x2y3 is
x2 (x + y)
x2y2 (x + y)
xy (x + y)
xy (x2 + y2)
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)
xy (z2 + 1) + z (x2 + y2) can be factorised as
(xy + z) (yz + x)
(zx + y) (xy + z)
(yz + x) (zx + y)
(x2 + y2) (z + x)
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)
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
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
Factorisation of the polynomial 2a2 + 7ab - 15b2 is
(2a + 3b) (a + 5b)
(2a - 3b) (a + 5b)
(2a + 3b) (a - 5b)
(2a - 3b) (a - 5b)
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)
