Difference of two squares and perfect squares
Name
Date
-
1.
Factorise: x² − 36
-
2.
Factorise: x² − 10x + 25a)(x − 5)²b)(x + 5)(x − 5)c)(x + 5)²d)(x + 25)(x + 1)
-
3.
Factorise: x² − 49
-
4.
Factorise: x² − 4
-
5.
Factorise: x² − 18x + 81a)(x + 81)(x + 1)b)(x − 9)²c)(x + 9)(x − 9)d)(x + 9)²
-
6.
Factorise: x² + 4x + 4a)(x − 2)²b)(x + 2)²c)(x + 2)(x − 2)d)(x + 4)(x + 1)
-
7.
Factorise: x² − 12x + 36a)(x + 36)(x + 1)b)(x − 6)²c)(x + 6)(x − 6)d)(x + 6)²
-
8.
Factorise: x² − 4x + 4a)(x + 2)²b)(x + 2)(x − 2)c)(x − 2)²d)(x + 4)(x + 1)
-
9.
Factorise: x² − 64
-
10.
Factorise: x² − 16
-
11.
Factorise: x² − 2x + 1a)(x − 1)²b)(x + 1)²c)(x + 1)(x + 1)d)(x + 1)(x − 1)
-
12.
Factorise: x² + 2x + 1a)(x + 1)²b)(x + 1)(x + 1)c)(x + 1)(x − 1)d)(x − 1)²
-
13.
Factorise: x² − 16x + 64a)(x + 8)²b)(x − 8)²c)(x + 8)(x − 8)d)(x + 64)(x + 1)
-
14.
Factorise: x² + 14x + 49a)(x + 49)(x + 1)b)(x + 7)²c)(x + 7)(x − 7)d)(x − 7)²
-
15.
Factorise: x² − 9
-
16.
Factorise: x² − 81
-
17.
Factorise: x² + 16x + 64a)(x + 8)(x − 8)b)(x + 8)²c)(x + 64)(x + 1)d)(x − 8)²
-
18.
Factorise: x² − 1
-
19.
Factorise: x² − 25
-
20.
Factorise: x² + 12x + 36a)(x + 6)²b)(x − 6)²c)(x + 36)(x + 1)d)(x + 6)(x − 6)
Free maths worksheets and practice: rocketdigits.com/learn/difference-of-two-squares-and-perfect-squares
Answers: Difference of two squares and perfect squares
- (x+6)(x-6)
- a) (x − 5)²
- (x+7)(x-7)
- (x+2)(x-2)
- b) (x − 9)²
- b) (x + 2)²
- b) (x − 6)²
- c) (x − 2)²
- (x+8)(x-8)
- (x+4)(x-4)
- a) (x − 1)²
- a) (x + 1)²
- b) (x − 8)²
- b) (x + 7)²
- (x+3)(x-3)
- (x+9)(x-9)
- b) (x + 8)²
- (x+1)(x-1)
- (x+5)(x-5)
- a) (x + 6)²
Free maths worksheets and practice: rocketdigits.com/learn/difference-of-two-squares-and-perfect-squares