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anonymous
 3 years ago
Identify the factors of 4x^2 + 20x + 25.
(4x + 5)(x + 5)
(4x − 5)(x − 5)
(2x + 5)(2x + 5)
(2x − 5)(2x − 5)
anonymous
 3 years ago
Identify the factors of 4x^2 + 20x + 25. (4x + 5)(x + 5) (4x − 5)(x − 5) (2x + 5)(2x + 5) (2x − 5)(2x − 5)

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anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0What are the factors of x^2 − 81? (x + 9)(x − 9) (x − 9)(x − 9) (x + 3)(x − 27) Prime

mathstudent55
 3 years ago
Best ResponseYou've already chosen the best response.1The first term, 4x^2 is the square of 2x. The last term, 25, is the square of 5. If the middle term is 2 * 2x * 5, then this is the square of the binomial (2x + 5)^2

mathstudent55
 3 years ago
Best ResponseYou've already chosen the best response.1For the second problem, you have the difference of two squares. a^2  b^2 = (a + b)(a  b)
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