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 ( 88+ )
Otras preguntas
1) Factorise 3x^2 + 5x + 2 2) Hence, solve x^2 + 5x + 2
Eric buys cheese from the local farmer's market. The graph below shows the cheese cost (in cents) versus its weight (in ounces). Use the graph to answer the que
PLEASE HELP I WILL MARK BRAINLIEST PLUS 50 POINTS The graphs below shows some properties of regular polygons. When compared with the independent variable, how m
9.) Why would a pendulum swing faster or slower on different planets?
Explain the cultural changes the Aryans brought to the Mohenjo-Daro/Harappa and Dravidian people who lived in the Ancient India.
PLS FAST WILL GIVE BRAINLIEST!! Annie has taken several photos at an event. She has been saving the images in a high-resolution format. What problem will she mo
What happened to the colored water and to the paper ambot after poking the plastic covering the glass? ( experiment current affairs) guyss pls help me.
I need the denotation and connotation definition of each word and a sentence that uses each word
3) At a school several teachers were holding a contest to see which class could earn the most trivia points. Mrs. Clawson's class scored 94 points. Mr. Grant's
Name the juice stored in the gall bladder
