5(2b - 2) - 6b =
4b + 10
4b - 10
-4b - 10
-4b + 10
4(a + 6) - 3(3b + 6) =
4a + 9b - 6
4a - 9b + 6
4a - 9b - 6
None of these
Factorise 33ac2 + 55c3 - 11 b2c2.
11c (3a + 5c - b2)
11c2 (3ac + 5c - b2)
11c2 (3a + 5c2 - b2)
11c2 (3a + 5c - b2)
7(3n - 4m) + 8n =
21n - 28m
29n - 28m
13n - 28m
14n - 20m
6(3 + 2y) =
9 + 12y
18 + 12y
18 + 2y
If x = 2, y = - 3 and z = 4, find the value of 3x + y + z.
1
2
4
7
In 3m - n = rt (p + q), if we make m as the subject of the formula, we get :
3m = r(p + q)
m = 3r (p + q) + n
7k (l - 2m) - m (-2k - 3) =
7kl = 12km - 3m
7kl - 12km - 3m
7kl - 12km+ 3m
7kl + 12 km + 3m
Evaluate the expression (2p + 3q) (p - q) if p = 4 and q = -3
-17
17
-7
a(2d + 4e) - 3e (a - c) =
2ad - ae + 3ec
2ad + ae - 3ec
2ad + ae + 3ec
