Samantha1999 Samantha1999

02-02-2018
Mathematics

contestada

Solve by factoring.

x2 + 6x = - 9. Hint: This is a double root.

Respuesta :

Аноним Аноним

02-02-2018

x^2 + 6x = -9
( x + 3)^2 - 9 = -9
(x + 3)^2 = -9 + 9 = 0

x + 3 = 0

x = -3 ( double root)

Answer Link

Otras preguntas

Why do cells need to divide? A.contain to many chromosomes. B. Cells need to get rid of waste products. C.cells cannot live unless they divide often. D. Cell d

i need help with my algebra homework

PLEASE HELP I WILL GIVE 5 STAR A HEART AND IF TWO ANSWERS I WILL GIVE U A BRAINLESTA farmer has decided to divide his land area in half in order to plant soy an

what is the value of 4m^2-3n+6 when m=3 and n=4

Which words would be most likely to appear in a science paper A) symbolism b) personification c) atom d) quadrilateral

How was using tool such as geoboard and counter different from using fraction circle

A balloon with a volume of 1.50 L is put in liquid nitrogen (temperature is –195.8 ºC, 77.2 K), shrinking its volume to 0.40 L. In kelvins, what was the balloon

The table shows a golfer's scores for four rounds of a recent US Women's Open. Her total score was even par. What was her 3rd round score?

Write -3+4i in the form r(cosx+isinx)

Which statements are TRUE about civilization? i. Civilization is the supplementary welfare added to the basics of life for any human society. ii. Ibn Khaldun