Worksheet Worksheet 1
1.
Simplify the expression \(2(7a - 4b) - 4(2a - b)\) using a complete presentation. Show the distribution step, the rearrangement step, the grouping step, and the arithmetic step.
2.
Look through your presentation on the previous problem. Which steps do you think can most safely be skipped in terms of demonstrating your understanding? In terms of avoiding errors? Explain your reasoning.
3.
Simplify the expression \(3(x^2 - 2x + 4) - 2(2x^2 + 5)\) using a complete presentation. Show only the steps that you think are the important.