danatapiaaa danatapiaaa
  • 04-05-2020
  • Mathematics
contestada

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

Respuesta :

ghanami
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

Complete the table for the given rule. Rule: y = 6x-4 Please help
Select the graph for the solution of the open sentence. Click until the correct graph appears. |x - 1| < 4
What is 90-10x60=_____?
Write down the different types of testing with their definition. a. Acceptance/Beta testing________ b. Accessibility testing __________ c. Integration testin
a horizontal force of 50 Newtons acts on a body of mass 3kg placed on a rough horizontal surface, giving it an acceleration of 8m/s2​
For bonds issued 2019, the taxpayer must amortize bond premium using which of the following methods? a. Straight-Line Method b. Constant Yield Method c. Activ
explain the concept of conditional formatting​
How do public officials use public opinion polls? A) to learn what citizens think about issues and to help guide their decisions B) to publish their positions
please explain thanks
Just tell me if these soccer balls show a reflection. Its for a math assignment i just need to know if this shows a reflection