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 ( 58+ )
Otras preguntas
Which statement best describes an effective research question
Mark the statement if it accurately describes New York. Choose all answers that are correct THERE IS MORE THAN ONE ANSWER!!! A.) Frederick Law Olmsted designed
How do I find the quadratic equation from its graph?
Say you want to make a sling by swinging a mass M of 1.7 kg in a horizontal circle of radius 0.048 m, using a string of length 0.048 m. You wish the mass to hav
What happens when an ecosystem is in equilibrium???
rosalinda was very proud of her floral arrangement. it contained 8 black eyed susans, 12 tulips,15 daises, and the rest were roses. if her arrangement had 4 doz
____________ The names a theorem which states that the integral of a complex-valued function on a closed contour in a simply-connected domain is zero. A general
Ratio that is equivalent to 8:20
A cylindrical tank is half-full of oil. The cylinder has a base radius of 100cm. The height of the cylinder is 250cm. 1 litre= 1000cm^3 How many litres of oil a
Assume that you are performing general maintenance on your bicycle using a black lubricant. When you lubricate the brake levers, what type of fingerprints are
