Ben
Ben Ben
  • 02-11-2020
  • Mathematics
contestada

Solve the equation [tex]x^2+25=0[/tex] by factoring.

Respuesta :

wegnerkolmp2741o
wegnerkolmp2741o wegnerkolmp2741o
  • 02-11-2020

x = 5i   x =-5i

Step-by-step explanation:

x^2+25=0

Rewriting

x^2 - (-25)=0

Writing as the difference of squares

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

where a = x and b = (sqrt(-25)) =±5i

( x-5i) ( x+5i) =0

Using the zero product property

x-5i =0    x+5i =0

x = 5i   x =-5i

Answer Link
umairkazi924
umairkazi924 umairkazi924
  • 26-11-2020

Answer:

x = 5i

x = -5i

Step-by-step explanation:

x² + 25 = 0

x² = 0 - 25

x² = -25

x = √-25

x = 5i

Answer Link

Otras preguntas

Poseidon is the god of? A. The sky B. The sea C. war D. marriage and family
just look at the pictures
Perestroika wasA. policies to enlarge the militaryB. policies to rebuild the governmentC. policies to strengthen the economy D. policies to increase free speech
Haiti gained independence from _____ to become the first black-governed republic.
Please help me whit this question
Need help with this pls!! (Show work pls)
Jena walks 6 miles. Karla walks 3 times as far as jena. Which expression shows how many miles karla walks?
In a brief response, argue which element of a tragedy is strongest in of Romeo and Juliet. Also, argue which element is the hardest to support in Romeo and Juli
write a story pleasee marking brainiest!
. Find the range of the data. 7,4, 12, 1, 8, 8, 4, 14, 13, 9, 11, 10, 2,7,5, 3, 1, 8,5,3