Add/Subtract Terms
Simplify by collecting like terms:
5x - 3x
2x
Simplify by multiplying/dividing:
2a x 3b
6ab
Expand the brackets:
2(a + 3)
2a + 6
Factorise the expression (introduce some brackets):
2a + 6
2(a + 3)
Evaluate the below expression if a = 2
3a + 4
3x4 + 4
= 6 + 4
= 10
Simplify by collecting like terms:
10x - 4x + x
7x
Simplify by multiplying/dividing:
7a x 4a
28a2
Expand the brackets:
3(4a - 2)
12a - 6
Factorise the expression (introduce some brackets):
5a - 25
5(a - 5)
Evaluate the below expression if a =4
6a - 10
6x4 - 10
= 24 - 10
= 14
Simplify by collecting like terms:
12x - 15x - 2x
-5x
Simplify by multiplying/dividing:
2a x 3b x 4a
24a2b
Expand the brackets:
4a(b + 5)
4ab + 20a
Factorise the expression (introduce some brackets):
10b + 35
5(2b + 7)
Evaluate the below expression if a = 7
21 - 2a
21 - 2x7
= 21 - 14
= 7
Simplify by collecting like terms:
2x + 3y + 5x - 2y
7x + y
Simplify by multiplying/dividing:
12a2b
3ab
4a
Expand the brackets:
5a(3b - 6a)
15ab - 30a2
Factorise the expression (introduce some brackets):
12a2 - 24ab
12a(a - 2b)
Evaluate the below expression if a =5
3(4a - 15)
3(5x4 - 15)
= 3(20 - 15)
= 3(5)
= 15
Simplify by collecting like terms:
6x2y + 8xy2 + 2x2y - 8xy2
8x2y
Simplify by multiplying/dividing:
4a x 6ab
2a x 4a
3b
Expand the brackets:
2a(3a + 4b - 5c)
6a2 + 8ab - 10ac
Factorise the expression (introduce some brackets):
15ab - 25b2
5b(3a - 5b)
Evaluate the below expression if a = 4
2a(15 - 3a)
2x4(15 - 3x4)
=8(15 - 12)
=8(3)
=24