Algebra

Simplifying Like Terms

100

3a+2a

5a

200

9d+d-5d

5d

300

-5ab+2ba-3a+9a

-3ab+6a

400

6+3x+9x²-x+2x²-1

11x²+2x+5

500

-5ab+9b-2ba+a-11b

a-2b-7ab

Multiplying

100

3 x 2 x a x b

6ab

200

5a x 2a

10a²

300

15a² x 3a

45a³

400

-3ab x -4a²

12a³b

500

4ab x -3a²bc

-12a³b²c

Dividing

100

8a / 2

4a

200

9x² / 3x

3x

300

5x³ / xy

5x² / y

400

-4x²y² / -8xy⁴

x / 2y²

500

20a²b / 3ab³

20a / 3b²

Expanding Brackets

100

2(x+5)

2x + 10

200

3(5-2x)

15-6x

300

-(x+5)

-x-5

400

-4(3-5x)

-12+20x

500

3a(2b-4a)

6ab-12a²

Substitution

100

Given x=2, evaluate 2x+5

9

200

Given x=-3, evaluate 4x+2

-10

300

Given a=2, b=-5, evaluate 3a-2b

16

400

Given x=3, evaluate 2x²

18

500

Given x=-4, y=3, evaluate x²-2y

10