3 years ago

Factor 25x2 – 16.

1 answer:

6 0

25x^2 - 16

(5x - 4)2 = 10x - 8
(5x + 4)2 = 10x + 8
(5x + 4)(5x - 4) = 25x^2 - 20x + 20x - 16 = 25^2 - 16
(5x + 1)(5x - 1) = 25x^2 - 5x + 5x - 1 = 25x^2 - 1

Answer:
C. (5x + 4)(5x - 4)

You might be interested in

Using the given points and line, determine the slope of the line.

jeka57 [31]

Answer:

7/5

Step-by-step explanation:

Slope formula = (y₂ - y₁) / (x₂ - x₁)

= (7 - 0) / (2 - (-3))

= 7 / (2 + 3)

= 7/5

7 0

3 years ago

Read 2 more answers

Which plane figure generates a cylinder when it rotates about the dashed line?

deff fn [24]

Answer:

It is a rectangle

6 0

4 years ago

Two million three hundred and twenty thousand five hundred and two as a number

dem82 [27]

2,320,502 <=== Two million, three-hundred and twenty thousand five hundred and two

6 0

3 years ago

Read 2 more answers

bryans aquarium is 6 feet long, 4 feet wide and 5 feet high, how many cubic feet of water can the tank hold?

SashulF [63]

6 x 4 x 5 = 120 cubic feet of water

7 0

3 years ago

What's the answer to this ?? Need help

Veseljchak [2.6K]

It goes by 3s so I think its 1.2

5 0

4 years ago

Read 2 more answers