Advanced Math practice question

Answer: 10

(x + 5)(x + 5) = x² + 5x + 5x + 25, so b = 10.

Common wrong answers

If you answered 0

The middle terms do not cancel; both are +5x.

If you answered 5

5 counts only one of the two 5x terms.

If you answered 25

25 is the constant term.

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