Question

What is the product of (5x + 1)(5x - 1)?

O A. 25x² - 1
OB. 10x²+10x−1
O c. 25x² +10x-1
OD. 10x²-1

Answer 1

The answer is A. 25x^2 - 1

Answer 2

Answer: A. 25x² - 1

Explanation:

Multiply the equation by using the foil method.

You need to distribute:

5x (5x + 1) + 1(5x - 1)

25x² - 5x + 5x - 1

Multiply by one:

25x²-5x+5x-1

25x² - 1