cristinaarmijo1 cristinaarmijo1
  • 01-02-2019
  • Mathematics
contestada

which expression is equivalent to 64 - 9x^2?

Respuesta :

wegnerkolmp2741o
wegnerkolmp2741o wegnerkolmp2741o
  • 01-02-2019

Answer:

(8-3x) (8+3x)

Step-by-step explanation:

64 - 9x^2

We can factor this expression since the is the difference of squares

(a^2 - b^2) = (a-b) (a+b)

let 64 = a^2  so a =8

let  9x^2 = b^2  so b = 3x

64 - 9x^2 = (8-3x) (8+3x)

Answer Link

Otras preguntas

How do I describe the shape of a histogram?
PLEASE HELP I CANT MISS ANYMORE!!
Which of the following is an example of an economic sanction? 1. removal of an embassy. 2. a trade ban 3. military intervention 4. reduced state visits
i need help im stuck on this
Need help please?):!!
On an amusement park ride passengers accelerate straight downward from rest to 22.9 m/s in 2.2 s. What is the average acceleration of the passengers on this rid
The first step of an art critique is to evaluate the artwork. (T/F)
Please help me out with this
144^14/144^2A.144^16B.144^12C.144^28​D.144^14/244^2​
Alana invests $5,000 in a mutual fund with a net asset value of $3.35 per share. If the loading rate is 3%, how much is the loading charge A. $800 B. $150 C. $