Algebra 2 - Unit 4 Review

2x - 5

x - 4

x + 4

2x + 4

$$25x^{2\ }-\ 20x$$  

$$10x-4$$  

$$20x\ -\ 8$$  

44

$$25x^{2\ }-\ 20x$$  

$$20x\ -\ 8$$  

$$10x\ -\ 4$$  

44

$$\left(x+3\right)\left(x-3\right)$$  

$$\left(2x+3\right)\left(x-3\right)$$  

$$\left(x-9\right)\left(x+1\right)$$  

$$\left(x-1\right)\left(x+9\right)$$  

$$\left(x+7\right)\left(2x-3\right)$$  

$$\left(2x+2\right)\left(x-7\right)$$  

$$\left(2x-7\right)\left(x+2\right)$$  

$$\left(x-14\right)\left(x+1\right)$$  

$$\left(x+7\right)\left(x-7\right)$$  

$$7\left(x-7\right)$$  

$$\left(x-7\right)\left(x-7\right)$$  

$$x\left(x-7\right)$$  

Factor by Grouping

Factor out the GCF

Difference of Squares

Difference of 2 Cubes

Factor by Grouping

Factor out the GCF

Difference of Squares

Trinomials (ac,b,T-chart)

$$8\left(x+5\right)\left(x-5\right)$$  

$$8\left(x^2-25\right)$$  

$$4\left(2x^2-50\right)$$  

$$4\left(2x+25\right)\left(2x-25\right)$$  

(x + 8)(x² - 8x + 64)

(x + 8)(x² + 8x -64)

(x-8)(x + 2)

(x - 8)(x² - 8x - 64)

Look for the GCF

Write a, b, and c

Difference of squares

Group

(2p²+3)(p+2)

(2p²+6)(p+4)

(4p²+3)(p+2)

(4p²+8p)(3p+6)

(a-b)(a²+ab+b²)

(a+b)(a²-ab+b²)

(a-b)(a²-ab+b²)

(a+b)(a²+ab+b²)

(4-3a)(9a²+12a+16)

(3a-4)(3a²+12a+16)

(4-3a)(3a²+12a+16)

(4-3a)³