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Simplify (3x + 1)2 using the square of a binomial formula.

A) x2 + 2x - 1
B) 9x2 + 6x + 1
C) 9x² - 6x-1
D) 9x2 + 2x + 1

User Ian Leslie
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1 Answer

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Answer:

B) 9x² + 6x + 1

Explanation:

(3x + 1)^2

(3x + 1) • (3x + 1)

9x² + 3x + 3x + 1

9x² + 6x + 1

User DomDunk
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