Expanding brackets through repested use of the distributive law.
Choose any 4 of the following to solve.
Show your work each time for all 4 questions.
You may choose to solve more if you'd like.
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Question 1
1.
(x + 2)(x + 3)
Question 2
2.
(a + 4)(a + 5)
Question 3
3.
(b + 2)(b - 5)
Question 4
4.
(a - 3)(a - 4)
Question 5
5.
(x + y)(a + b)
Question 6
6.
(3x + 4)(x - 5)
Question 7
7.
(5x - 7)(2x - 1)
Some rules to remember when multiplying integers:
+ve times +ve = +ve
+ve times -ve = -ve
-ve times +ve = -ve
-ve times -ve = +ve
When adding or subtracting integers remember the number line. Eg. -5 + 3 is 5 steps backwards and 3 steps forward. Making it a total of 2 steps bakward, ie, -2.