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AlladinOne [14]
3 years ago
14

Multiply. (3x + 2)(3x - 2) A. x² + 12x- 4 B. 9x² – 12x - 4 c. 9x - 4 D. 9x² + 4

Mathematics
1 answer:
Artemon [7]3 years ago
5 0

Answer: 9x²-4

Step-by-step explanation:

To solve use the formula (known as the difference of squares) a²-b²=(a+b)(a-b) and substitute a with 3x and b with 2 and then substitute to find: (3x)²-2²= 9x²-4

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