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 ( 15+ )
Otras preguntas
What is a word family for mentor and uttered?
Bianca is making scarves to sell she has 33 pieces of blue fabric 37 pices of green fabric nd 41 pieces of red fabric suppose Bianca uses 3 pieces of fabric to
What is the term utilized when union workers refuse to work due to contractual disagreements
What is a Nonlinear graph? i forgot
there are 5 times as many yellow labs as terriers in the dog park. if there are a totsl of 18 dogs , how many dogs are terriers? how would I draw a model an d w
All living organisms are made from different combinations of only ___________ amino acids
AC, DF, and GI are parallel. Use the figure to complete the proportion.BEADJBBC
What mass of water will fill a tank that is 100.0 cm long, 50.0 cm wide, and 30.0 cm high? Express the answer in grams.
In which phase of the cell cycle do cells grow and synthesize new proteins and organelles
Paula invested in two accounts; one pays 3% simple interest and the other pays 6% simple interest. She invested $5000 more in the account paying 6% than in the
