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

*brainliest* What are three Hinduism beliefs?
The __________ cipher is a method of encrypting alphabetic text by using a series of different monoalphabetic ciphers selected based on the letters of a keyword
If the momentum of a 1000 kg car travelling at 10 m/s was transferred completely to a 20.0 kg traffic barrier, what would the final speed of the barrier be
If 2x-y equals 120, what are the values of x and y?
There are 25 students who answered a survey about sports. Four-fifths of them like football. How many students like football.
Find the number of Li atoms in 1.50 mole of Li
What is the fundamental frequency of a 0.003 kg steel piano wire of length 1.3 m and under a tension of 2030 N? Answer in units of Hz. 005 (part 2 of 2) 10.0 po
Select all the complex numbers in the given table
Which political Idea does this scenario best represent?
Ling lives 2 miles from school. It took him 15 minutes to bike from school to home. The first half of the distance he biked at a speed of 12 mph. What was his s