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This math document provides an example of how to expand brackets for quadratic expressions by using a grid method. It shows the process of expanding (x+1)(x+2) into x^2 + 3x + 2 by writing the terms of each factor in a grid and multiplying the corresponding terms. The grid method is demonstrated as a way to systematically expand brackets in quadratic expressions.
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Expand factorise questions
- 1. Quadratics Level 8 Grade B Exercise 1 Expand each of the following brackets Solve each of the above by completing a grid like the one below: x 1 x x2 1x 2 2x 2 So (x+1)(x+2) = x2 + 3x + 2 a)