Substitution
If m = 4 and n = 6, evaluate: m x n
24
Simplify: 10m - 9m
m
Simplify: 7 x 9w
63w
Expand: a(b + c)
ab + ac
Factorise: 2c + 8
2(c + 4)
If p = 3, q = 5 and r = 8, evaluate: 2pqr
240
7k -10k + 2k
-k
Simplify: 2c x cd
2c^2d
Expand: 6(2n - 3)
12n - 18
Factorise: 30r - 80
10(3r - 8)
If d = 2, e = 5 and f = 10, evaluate: d - e - f
-13
4pq - 2qp + 6pq
8pq
Simplify: 49xyz / 7y
7xz
Expand: 7x(3y - 5x)
21xy - 35x ^2
Factorise: 7c^2 + 21c
7c(c + 3)
If d = 2, e = 5 and f = 10, evaluate:-7f + 6e
-40
13q
Simplify: -5a x (-3b) x (-4c)
-60abc
Expand and simplify: 11(5u + 6) - 20u
35u + 66
Factorise: -mn - km
-m(n + k)
If u = -2 and w = -5, evaluate: u^2 - w^2
-21
15yz + 5zx - 6zy + 9 - 2xz - 1
9yz + 3xz + 8
Simplify: -14c^2 / (-7c)
2c
-y - 25
Factorise: u^2vw - uv^2w - uvw^2
uvw(u - v - w)