Algebra

Expanding single brackets

100

Expand 2(x+3)

2x+6

200

Expand -3(x+4)

-3x-12

300

Expand 3b(b-4)

3b²-12b

400

Expand 3a(b-4)

3ab-12a

500

Expand -4x(x-6)

-4x²+24

Expanding double brackets

100

Expand (x+1)(x+2)

x²+3x+2

200

Expand (x+3)(x-4)

x²-x-12

300

Expand (3x-2)(x+5)

6x²+13x-10

400

Expand (3x-2y)(4x-3y)

12x²-17xy+6y²

500

Expand (4x-3)²

16x²-24x+9

Mixture

100

3(5a+2b)

15a+6b

200

Expand 4a(2+9a)

8a+36a²

300

Expand (2x-4)(2x+4)

4x²-16

400

Expand (x+y)(x+2)

x²+2x+xy+2y

500

Expand (3a-5)²

9a²-30a+25

Combining like terms

100

Simplify 3x+4y-2x+5

x+4y+5

200

Simplify 3a-4b+2a+10b-8

5a+6b-8

300

Simplify 3x+4x²-1x-5-2x²-7

2x+2x²-12

400

Simplify 3y-2y²-4y²+8y-10+3y-5

-6y²+14y-15

500

Simplify 3x²-8-5x-2x²+5y-4-6x²-2y

-5x²-5x+3y-12

Substitution

100

If a= 3 and b=4 Find value of 3ab

36

200

If x=4 and y=2, Find value of 2xy-4x

0

300

If a=3 and b=7

Find value of 3a²-b

20

400

If x=4 and y=-2

Find the value of 2xy-3x

-28

500

If x=3, y=5 and Z=2

Find the value of 4xy-3x²

33