GCSE Secondary Maths Age 13-17 - Algebra: Expanding brackets - Explained

The video tutorial explains how to expand and simplify the expression (m + 7)(m + 3). It begins by expanding the brackets, multiplying each term to get m^2, 3m, 7m, and 21. The next step involves simplifying the expression by combining like terms, resulting in m^2 + 10m + 21. The tutorial concludes with a note on the scoring of the problem, highlighting the importance of both the expansion and the final answer.

What is the sum of the middle terms after expanding the brackets?

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What are the two marks awarded for in this question?

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