Solving for x
Index Laws
BIMDAS and Expansion
Like Terms
Factorising
100

4x = 16

4

100

When you see the following expression, what is the big number called and what is the little number on top of it called?

24

100

Simplify the following expression:

62


100

7x+4x−9

11x-9


100

Factorise by finding the HCF: 3x+12

3(x+4)

200

3x - 5 = 25

x= 10      

200

Rewrite 94 in expanded form

9 x 9 x 9 x 9


200

Simplify the following expression:

4(x + 2x) 

4x +8x

200

9m−4n+7m+3n−8

16m−n−8

200

5a2−15a

5a(a-3)

300

2(x+4) = 10

1

300

How can you rewrite the following in exponential form?

7 x 7 x 7 x 7 x 7 

75

300

5a(a+b) + 2(a+ab)

5a2+5ab +2a+2ab = 5a2+7ab +2a

300

4x2+7x−3x2+9−5x−2

x2+2x+7x

300

15x+25y

5(3x+5y)

400

The value of x when 5x - 7 = 18

5


400

What is the simplified expression for x* x4

x5

400

Solve for: −4(3y+2)

−12y−8

400

2x−4(2x−3)+5x

9x+12


400

24a2−36a2b

12a2(2-3b)

500

x(x+2)=8

x= 2      x= -4

500

What is the value of:

x* x3/x2

x4

500

4(x+2)+3(x−1)

7x+57x+57x+5

500

5(2x−3)−4(x+6)+3(3x−2)−7

10x−15−4x−24+9x−6−7

15x−52

500

30x2+45x−15x

30x(x+1)