#1 
Click on Video
for tip on
"The Order of Operations"

Example:
4  (10 8)^{3} ·
2 =
4  (2)^{3} · 2 =
4  8 · 2 =
4  16
12

#2 
Click on Video
for tip on
"Combining Like Terms"
&
"Multplying Expressions"

Combining Terms:
4x^{2}  2x  x^{2}  6x = 3x^{2}  8x
Multiplying Expressions:
(3a^{2}bc^{4})(4a^{3}b^{3}c^{5}) = 12a^{5}b^{4}c^{9}

#3 
Click on Video
for tip on
"Adddtion & Subtraction
of Signed Numbers"

Examples:
6 + 4 = 10
6  4 = 10
6 + 4 = 2
6  4 = 2

#4 
Click on Video
for tip on
"Multiplication & Division
of Signed Numbers"

Examples:
(3)(4) = 12
(3)(4) = 12
(3)(4) = 12
3(4) = 12
12 ÷ (4) = 3
15 ÷ (3) = 5

#5 
Click on Video
for tip on
"Addition & Subtraction
of Polynomials"

Examples:
3x^{2} + x  2 + (4x^{2}  5x  6) =
7x^{2}  4x  8
5x^{2}
 x + 3  (2x^{2} + 3x + 4) =
3x^{2}  4x  1

#6 
Click on Video
for tip on
"Factoring Greatest Common Factor"

Examples:
5x  15 = 5(x  3)
12x^{2}y^{4} 8x^{3}y^{2} + 4x^{2}y
=
4x^{2}y(3y^{3}  2xy + 1)

#7 
Click on Video
for tip on
"Factoring Difference of Two Squares"

Examples:
x^{2}  25 = (x  5)(x + 5)
9x^{2}y^{2}  49 = (3xy + 7)(3xy  7)
1  4x^{2}
= (1 + 2x)(1  2x)

#8 
Click on Video
for tip on
"Solving Equations"

Example:
5(x  3) + 2 = 5(2x8)  3
