danatapiaaa danatapiaaa

04-05-2020
Mathematics

contestada

Solve for all values of x by factoring.
X? – 48 = 1

Respuesta :

ghanami ghanami

05-05-2020

Answer:

Step-by-step explanation:

hello :

x²-48 =1

x²-48-1 =1-1

x²-49=0 means : x²-7²=0

by identity : a²-b²= (a-b)(a+b)

by factoring: (x-7)(x+7)=0

x-7=0 or x+7=0

x=7 or x= -7

Answer Link

Otras preguntas

Water ia boled at 1 at pressure in a coffe aker equpped with an immension-type electric heating element. The coffee maker intially contains 1 kg of water. Once

13. One tool for narrowing your topic is to O list adjectives that apply to your subject draw the place or thing you are describing O invent qualities to descri

7. Which of the following describes the arrangement of valence electrons in a bond between C and H The valence electrons are shared equally between C and H. The

What is sqrt12x^8/sqrt3x^2 in simplest form

If the pressure at a depth of 8 ft below the surface of a stagnant fluid is 3.5 psi, what will the pressure of the liquid be at a depth of 48 ft below the surfa

wich of the following is correctly written citation for an internet article without an author

What is the complex conjugate?

12. A large recipe calls for 250 quarts of milk. What isthis in cm3?

Solve step by step : (2+2i)(5+3i)

If the perturbation is a constant potential, how many terms are needed for an exact solution? a)Infinite b)One c)It depends on the nature of the system. d)Z