123k views
1 vote
Factor completely.

begin expression . . . 9 times x raised to the second power, minus 25 . . . end expression

A
begin expression . . . the quantity . . . 3 times x, minus 5 . . . raised to the second power . . . end expression

B
begin expression . . . 9 times the quantity . . . x minus . . . begin fraction . . . 25 over 9 . . . end fraction . . . raised to the second power . . . end expression

C
begin expression . . . the quantity . . . 9 times x, plus 25 . . . times the quantity . . . x minus 1 . . . end expression

D
begin expression . . . the quantity . . . 3 times x, minus 5 . . . times the quantity . . . 3 times x, plus 5 . . . end expression


It gotta be A or D

2 Answers

5 votes
The correct answer is D as it matches the first equation

the answer looks like this in number form (3x+5)(3x−5)
original equation
9* x^2-25
User Griva
by
6.1k points
4 votes


9 * {x}^(2) - 25 \\ = 9 {x}^(2) - 25 \\ = (3x - 5)(3x + 5)

Answer is D.

Hope this helps. - M
User Awbergs
by
6.3k points