a2(b2 + d2) - b2 (a2 + d2) =
a2d2 + b2d2
a2d2 - b2d2
ad2 - bd2
None of these
Simplify 3p + 7q - 2p - 5q.
p + 2q
p + q
2p + q
2p + 2q
Simplify 4(y + 3) - 3(2y - 1).
- 2y + 15
2y + 15
2y - 15
- 2y - 15
Factorise 33ac2 + 55c3 - 11 b2c2.
11c (3a + 5c - b2)
11c2 (3ac + 5c - b2)
11c2 (3a + 5c2 - b2)
11c2 (3a + 5c - b2)
If g = 3 calculate the value of 5g4.
317
375
395
405
Simplify a3(c2 + d2) - a3(2c2 + 3d2).
-(a3c2 - 2a3d2)
-(a3c2 + 2a3d2)
a3c2 + 2a3d2
-4e + (e - 1) =
-3e - 1
3e + 1
3e - 1
7(3n - 4m) + 8n =
21n - 28m
29n - 28m
13n - 28m
14n - 20m
6(3 + 2y) =
9 + 12y
18 + 12y
18 + 2y
3a (a - 2b + 4c) =
4c2a2 - 8c2b2 - 4c2d2
3a2 - 6ab - 12ac
3a2 + 6ab - 12ac
3a2 - 6ab + 12ac
