Phillyd80
Phillyd80
04-08-2017
Mathematics
contestada
Solve the equation by factoring. z^2-6z-27=0
Respuesta :
Banabanana
Banabanana
04-08-2017
z² -
6z - 27 = 0
z² + 3z - 9z - 27 = 0
z(z+3) - 9(z+3) = 0
(z+3)(z-9) = 0
z + 3 = 0 or z - 9 = 0
z = -3 z = 9
Answer: z=-3 and z=9
Answer Link
VER TODAS LAS RESPUESTAS ( 31+ )
Otras preguntas
Writing assignment: Pablo Ruiz ¿Por qué está muy feliz este muchacho?
5x + 20 =3x +66 please help me with this problem
Can someone please help?! I need to write and intro paragraph about the forshadowing of Macbeth and how he will stop at nothing to protect his crown, but I am r
Las personas son tan groseras! ¿Nadie está de acuerdo?
The Reconstruction Acts of 1867 set up a plan for allowing the Southern states to reenter the Union. They helped the South begin to repair the damage of the Civ
what would of happened if George Washington surrender at the battle of new York
what Is the square root of 100x to the 8th power
Repeating, overlapping voices singing the same melody defines the technique of ____________ in renaissance music:
Many modern couples delay having __________ until they are established in their careers. a. children b. a home c. two cars d. pets
Which phrase best describes effective syntax? the correct use of punctuation to support the meaning of words in a sentence the appropriate arrangement and logic
