Mathematics Knowledge · Question 129

Question 129 of 200

In the expansion of (x + 4)(x + 6), what is the coefficient of x?

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Correct answer to question 129 (Mathematics Knowledge): 10

Method

Multiplying out gives x squared + 6x + 4x + 24, and the two middle terms combine to 10x, since 4 + 6 = 10.

Updated: November 2026

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