Use the tabular method to multiply (x 2 + 3x + 1) (x 2 – 5x + 2) and combine like terms. Eureka Math Algebra 2 Module 1 Lesson 2 Exercise Answer Key The numbers placed into the blanks represent the number of unit squares (or square units) in each sub-rectangle. What do the numbers you placed inside the four rectangular regions you drew represent? Eureka Math Algebra 2 Module 1 Lesson 2 Opening Exercise Answer Key The pattern suggests (x – 1) (x n + x n-1 + ……. Generalize the pattern that emerges by writing down an identity for (x – 1)(x n + x n-1 + …. Multiply the polynomials (x – 1)(x 4 + x 3 + x 2 + x + 1) using a table. Next, distribute the x over x + 8 and the 7 over x + 8. Think of x + 8 as a single number and distribute over x + 7: → How can we multiply these binomials without using a table? If □is replaced with 20 in x 2 + 15x + 56, then the calculation becomes the same as the one shown in the Opening Exercise: (20) 2 + 15(20) + 56 = 400 + 300 + 56 = 756. → Explain how the result x 2 + 15 + 56 is related to 756 determined in the Opening Exercise. Use the tabular method to multiply (x + 8)(x + 7) and combine like terms. Engage NY Eureka Math Algebra 2 Module 1 Lesson 2 Answer Key Eureka Math Algebra 2 Module 1 Lesson 2 Example Answer Key
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