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 ( 78+ )
Otras preguntas
Using evidence from the text to support your answer, explain how the poem “Landscape With the Fall of Icarus,” by William Carlos Williams, reflects one of the c
Part E Open the line segment rotation application. Line segment AB is a 90° rotation counterclockwise of line segment CD. Click the 90° counterclockwise button.
Glenn bought a $7 coffee and 10 granola bars at the airport. If he spent a total of $24, how much did each granola bar cost?
Why does Lady Capulet assume that Juliet is not well?
Define the term valence electrons
how was elizabeth in the beginning of the play. The crucible
Which of the following is not a form of communication? sign language O driving O writing O advertising
ex:1. He want to say hello to everyone.2. Don't say thank you.What kind of sentence is this?Is it reported? How is the reported speech ?
Which most strongly influences consumers' nonmonetary considerations? advertising government planning values and beliefs decreasing marginal utility
Indicate three ways how social pressure could be regarded as a stressor for young people in their family relationship
