16Hit1600
Advanced MathMediumConstant term of an expanded product

Advanced Math practice question

When (x + 1)(x + 2)(x + 3)(x + 4) is expanded, what is the constant term?

Answer: 24

The constant term is the product of the constants: 1 × 2 × 3 × 4 = 24.

Common wrong answers

If you answered 1
1 is the leading coefficient.
If you answered 10
10 is the sum 1 + 2 + 3 + 4, which is the coefficient of x³, not the constant.
If you answered 12
12 is 3 × 4, leaving out two factors.

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