Algebra - Expanding brackets

Expanding single brackets (simple)

100

2(x + 3)

What is 2x + 6

200

-3(x + 4)

What is -3x - 12

300

3b(a + 4)

What is 3ab + 12

400

-4x(y - 6)

What is -4xy + 24x

500

-2/3(x - 6)

What is -2/3 x+ 12

Expanding single brackets

100

3 + 2(x + 9)

What is 2x + 21

200

10y -8(4x - 5y)

What is 50y -32x

300

2(x + 4) + 5(2x + 3y)

What is 12x + 15y + 8

400

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

What is -2x -2y-9xy

500

2x(x - 4) - (x - 6)

What is 2x^2 -9x + 6

Mixture

100

3(5a + 2b)

What is 15a + 6b

200

2(3p - 2q) - 7p

What is -p - 4q

300

-4x(x+1)

-4x^2-4x

400

3a(a+2) + a^2

4a^2 +6a

500

-(m^2+4m) + m(m+1)

3m