nicolelorah365
nicolelorah365
11-11-2020
Mathematics
contestada
solve the equation
7x^2+21=0
Respuesta :
BangChan8
BangChan8
11-11-2020
Subtract 21 from both sides
7x^2=-21
Divide by seven on both sides
X^2=-3
Square root both sides
***X= square root of -3***
:)
Answer Link
VER TODAS LAS RESPUESTAS ( 18+ )
Otras preguntas
You are going to turn a screw using a wrench. will the work you do on the wrench be more or less than the work done by the wrench to the screw
How did Europeans affect Africa in the 1800's? How did Africans respond in the 1900's?
Which values are solutions to the inequality 3r< 4r -6
What social structure was the foundation of Africa's earliest villages? the patriarchal system the matriarchal system the extended family,
Explain how you know whether to add or subtract when you use the Distributive Property to multiply.
The temperature of water in a beaker is 45°C. What does this measurement represent?
a CD usally sells for 14.00 if the CD is 30% off and sales tax7% whats the total price of the price of the CD including tax
what land did prince henry claim
The adjustment of materials that follow a major earthquake often generates smaller earthquakes called? Foreshocks Surface waves Aftershocks Body waves
what type of color mixing do painters with a real paint and brush use
