mikkirae mikkirae
  • 24-08-2015
  • Mathematics
contestada

X squared minus 25 equals 0

Respuesta :

konrad509
konrad509 konrad509
  • 24-08-2015
[tex]x^2-25=0\\ x^2=25\\ x=\sqrt{25}\\ x=-5 \vee x=5[/tex]

or

[tex]x^2-25=0\\ (x+5)(x-5)=0\\ x=-5 \vee x=5 [/tex]
Answer Link

Otras preguntas

Can someone please explain this to me and help me?​
find two rational and irrational no. between √2 and √3​
What occurs at the reaction velocity (CaCo3 + 2HCL- CaCl2 + Co2 + H2O) ... if we add water to hydrochloric acid?
What do you believe the Duke values above all else (other than himself and his heritage)?
What was the final price of the wind chime?
Read the passage below and answer the question that follows.Late Thursday evening, Jane was walking home from her friend Audrey’s house when she heard a startli
please help me! h - 1/4 = 1/4 c - 1 =3/4 2 = e - 1 r - 3 = 1 z - 6.3 = 2.1 t - 9.25 = 5.45 k - 32 = 16.5 c - 1 = 8 t - 7 = 2 1 = g - 3 a = 2.1 = 5.8 a - 1
What is 7,430,270 in expanded form
You deposit $1500 into a savings account that pays 6% interest compounded yearly. How much money is in the account after 10 years assuming you made no addition
Sophia invests $12,350 in an account that earns 4.5% annual simple interest. Assuming she makes no additional deposits or withdrawals, how much interest will So