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A key challenge of using computer algebra with students in the early years of secondary school lies in not allowing the tool to do all the work! In this TI-Nspire document, a student enters the equation to be solved in cell B2, and then enters each step of the solution in the cells below. As each step is entered, the "check" column indicates whether this is correct or incorrect. The final result may be checked against the graph on the next page.
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