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Lesson 5-3 Solve by Factoring - Trinomial

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1. Make sure the equation is equal to zero. 2. Factor using the sum and product strategy. 3. Set each factor equal to zero and solve. 4. Write the solution set. You may check your answers using your graphing (or multiview) calculator. Replace the 0 with y, and enter the function into the calculator. Observe where the graph crosses the x-axis, OR look in the table (in the y-column) for the ZEROS. The x-values should be the same as your solutions.
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