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Factoring - GCF and Difference of Squares

Total questions: 32

Worksheet time: 2hrs 21mins

Name
Class
Date
1.

x2 - 25

a)

( x + 5 ) ( x - 5 )

b)

( x - 5 ) ( x - 5 )

c)

( x + 5 ) ( x + 5 )

d)

Unfactorable

2.

x4 - 16

a)

( 2x - 4) ( 2x + 4)

b)

( x2 - 4) ( x2 + 4)

c)

( x2 - 8) ( x2 + 8)

d)

( x - 4) ( x + 4)

3.

x2 - 225

a)

( x + 15) ( x + 15)

b)

Unfactorable

c)

( x - 15) ( x + 15)

d)

( x - 15) ( x - 15)

4.

x6 - 400

a)

( x3 - 200) ( x3 + 200)

b)

( x2 + 20) ( x2 + 20)

c)

( x - 20) ( x + 20)

d)

( x3 - 20) ( x3 + 20)

5.

4x2 - 64y2

a)

Unfactorable

b)

( 2x - 32y) (2 x + 32y)

c)

( 2x - 8y) (2 x - 8y)

d)

( 2x - 8y) (2 x + 8y)

6.

9x2 - 49y6

a)

( 3x + 7y3) (3x + 7y3)

b)

( 3x - 7y3) (3x + 7y3)

c)

( 3x - 7y3) (3x - 7y3)

d)

Unfactorable

7.

x2 + 81

a)

Unfactorable

b)

( x - 9 ) ( x + 9 )

c)

( x + 9 ) ( x + 9 )

d)

( x - 9 ) ( x - 9 )

8.

Factor the Polynomial:

121r2 - 64t2

a)

(11r + 8t)(11r - 8t)

b)

(11r - 8t)(11r - 8t)

c)

(11r + 8t)(11r + 8t)

d)

Unfactorable

9.
Fully Factor the Following
25x2-81
a)
(5x-9)2
b)
(5x+9)(5x-9)
c)
25(x-9)2
d)
(9x+5)(9x-5)
10.
Fully Factor the Following
4x2-16
a)
(2x-4)(2x+4)
b)
(4x-4)(4x+4)
c)
4(x-2)2
d)
4(x-2)(x+2)
11.
3x- 75
a)
3( x + 5 ) ( x - 5 ) 
b)
Prime
c)
( x + 5 ) ( x - 5 ) 
d)
3( x - 5 ) ( x - 5 ) 
12.

Fully Factor the Following

16x2+25

a)

Unfactorable

b)

(4x-5)(4x+5)

c)

(4x+5)(4x-5)

d)

(4x+5)2

13.
Factor:
80x5-70x2-60x7
a)
2x2(80x3-70-60x6)
b)
10x2(80x4-70x-60x6)
c)
10x2(8x3-7-6x6)
d)
3x2(80x3-40-60x5)
14.
Factor:
 2n2-8n3
a)
2n2(n-4n2)
b)
2n2(1-4n2)
c)
2n3(10-8n2)
d)
3n(1-4n)
15.
Factor:
56a3-8a
a)
8a2(56a3-8a)
b)
8a(7a2-1)
c)
8a(7a3-a)
d)
8a2(35a2-a)
16.
Factor
4b5+4b3+16b2
a)
4b3(b4+b2+4b)
b)
4b3(b4+4b+5)
c)
4(b5+b3+4b2)
d)
4b2(b3+b+4)
17.

Factor:

2n2-8n3

a)

2n2(n-4n2)

b)

2n2(1-4n)

c)

2n3(10-8n2)

d)

3n(1-4n)

18.
Factor
10x2 + 15x-5
a)
25(10x3+45x-15)
b)
5(2x3 + 3x2-x)
c)
x(10x3+15x-5)
d)
5(2x2+3x-1)
19.

(4x+1) - (5x−2)

a)

9x + 3

b)

20x2 − 3x - 2

c)

x2 + 3

d)

-x + 3

20.
(5x+2)(x2-3x+6)
a)
5x3 - 17x2 +24x +12
b)
5x3 + 17x2 - 24x +12
c)
5x3 - 13x2 + 24x +12
d)
5x3 +13x2 - 24x - 12
21.
(3x + 4y - 3z) - (2x - 6y + 7z)
a)
x + 10y - 10z
b)
-x +10y - 10z
c)
x -10y - 10z
d)
-x -10y - 10z
22.
Add the polynomials.
(3x3 + 3x2 – 4x + 5) + (x3 – 2x2 + x – 4)
a)
4x3 + 1x2 – 3x + 1
b)
2x3 + 1x2 - 5x + 9
c)
6x3 + 1x - 1x2 - 3
d)
3x5 +1x - 1x5 - 3x
23.
(5c-2)(3c2-5c+4)
a)
15c3-31c4+30c2-8
b)
15c3-19c2+10c-8
c)
15c3-31c2+30c-8
d)
15c3-31c2+30c+8
24.
Find the area of a rectangle with length (x - 5) and width (3x + 1).
a)
3x2+16x-5
b)
3x2-14x+5
c)
3x2-14x-5
25.
5xy(6x-y)
a)
11x2 - y2
b)
30x2 + y2
c)
30x2y - 5xy2
d)
11x2y + 5x2y2
26.

Mult (2x + 3)(3x + 4)

a)

6x2 + 17x + 7

b)

6x2 + 17x + 12

c)

6x2 + 8x + 12

d)

6x2 + 9x + 12

27.

(2x - 1)(x + 2)

a)

2x2 + 3x - 2

b)

2x2 - 5x - 2

c)

2x2 + 3x + 2

d)

2x2 - 5x + 2

28.
(3x + 2)(3x + 2)
a)
6x2 + 12x + 4
b)
6x2 + 6x + 4
c)
9x2 + 12x + 4
d)
9x2 + 27x + 4
29.
(x - 6)2
a)
x2 - 12x + 36
b)
x2 + 36
c)
x2 - 36
d)
x2 - 6x + 36
30.
7r3-8r2+42r-48
a)
(r2+6)(7r+8)
b)
(r2+6)(7r-8)
c)
(r2+6)(r2+8)
d)
(r2+6)(7r+6)
31.
20x3-25x2+4x-5
a)
(5x2-5)(4x+1)
b)
5(x2-1)(4x+5)
c)
(5x2+1)(4x-5)
d)
(5x2+1)(4x-1)
32.

Factor

3v2 + 3v - 7v - 7

a)

(3v-7)(v+1)

b)

3(v-7)(v-1)

c)

(3v+1)(v-9)

d)

(3v+1)(v-10)