Worked examples
Two examples
Example 1
Multiply out: 4(2x − 3)
- Multiply 4 by each term inside: 4 × 2x = 8x, and 4 × (−3) = −12.
Answer: 8x − 12
Example 2
Multiply out: 5(x + 6)
- 5 × x = 5x, and 5 × 6 = 30.
Answer: 5x + 30
Where this is taught: Algebra Practice 2, “1. One number times parentheses”
The drill
Ten problems
How many:
Type your answer like 3x^2 - 2x + 5: use ^ for a power, and write like terms together. Then press Check my answers at the bottom.Write each answer on the line. The answer key, with the reasoning, is on the last page.