Algebra - Expanding brackets

Expanding single brackets

100

2(x + 3)

 2x + 6

200

-3(x + 4)

 -3x - 12

300

3b(a + 4)

 3ab + 12

400

-4x(y - 6)

 -4xy + 24x

500

3x(x - 6)

3 x² - 18x

Simplify the expressions

100

3 + 2(x + 9)

 2x + 21

200

10y -8(4x - 5y)

 50y -32x

300

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

 12x + 15y + 8

400

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

 -2x -2y-9xy

500

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

 2x² -9x + 6

Apply distributive property

100

3(5a + 2b)

 15a + 6b

200

2(3p - 2q) 

 6p - 4q

300

(3x - 2)x

 3x² - 2x 

400

-3(2a²b + 3)

-6a²b  - 9

500

3y(x² + 4)

3x²y  + 12y