Collecting Like Terms
3(x + 2)
3x + 6
Factorise 8x + 4
4(2x + 1)
Solve w + x = y for w, when x=2 and y=5
w=3
3p + 4q + 5p
8p + 4q
5(m - 2)
5m - 10
Factorise 14x - 2
2(7x -1)
If t = 19 and z = 22, what is t - z?
-3
Solve A=Lb for b, where A=30 and L=5
b=6
-2(2s + 6)
-4s - 12
Factorise 24ab - 18bc
6b(4a - 3c)
Find s(s + r) when s = 6 and r = 5
66
Solve v=u+at for t, where v=20, u=5 and a=3
t=5
4a - 6b - 9a + 8b
2b - 5a
2d(7d - 9)
14d² - 18d
Factorise 10c² + 10c
10c (c + 1)
Find p - q when p = -12 and q = -15
3
Make x the subject in the formula 2d + x = f
x = f - 2d
2a² + 8ab + 6a - 3ab - 8b
2a² + 5ab + 6a -8b
-8t(-3t + 3)
24t² - 24
Factorise 90m² - 45m
9m(10m - 5)
Evaluate a² - b² when a = -6 and 6 = 3
25
Make y the subject in the formula ax + by = c
y=(c-ax)/b