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

Look at the hardest song I have to play on the Eb Alto Saxophone

Would anyone care to explain how to get through this problem in the photo? I'm at a complete dead end! Any help would be appreciated!

If smart answer this please!

Why does it go back 1 day from west to east through the meridian of 180 degrees? and why does it add 1 day from east to west across the meridian of 180 degrees?

Help if u speaks Spanish

In a class of 25 students, 15 of them have a cat, 16 of them have a dog and 3 of them have neither. Find the probability that a student chosen at random has a c

Read this excerpt from the first stanza of “Old Ironsides”: Beneath it rung the battle shout, And burst the cannon’s roar;— The meteor of the ocean a

write the differences between iron-sulphur mixture and iron sulphide compound

What accounts for the increase in operating support when an independent business expands by becoming a franchisor? Group of answer choices financial assistance

Please help I'm giving out 50 point A business is planning to provide sandwiches at their company picnic. Adults eat 1 3/4 times the amount that school-aged chi