lexi02238
lexi02238
07-08-2017
Mathematics
contestada
x^2-9x-36=0, how do I solve this
Respuesta :
kphung76127
kphung76127
07-08-2017
Factor it out.
(x-12)(x+3)
Proof:
-12+3=-9
-12*3=-36
To find zeros:
x-12=0
x=12
x+3=0
x=-3
Final answers for roots: {-3, 12}
Answer Link
Banabanana
Banabanana
07-08-2017
x² - 9x - 36 = 0
x² + 3x - 12x - 36 = 0
x(x+3) - 12(x + 3) = 0
(x+3)(x-12) = 0
x+3 = 0 or x-12 = 0
x = -3 x = 12
Answer: x=-3, x=12
Answer Link
VER TODAS LAS RESPUESTAS ( 22+ )
Otras preguntas
find the y-intercept of the line that is defined by -7y=9x+4
There are 750 spectators in the stadium, ok which 420 are women and the rest are men A. What percent of the spectators are women B. What percent of the spectato
Below we've attempted to write a recursive formula that will calculate the nth triangular number. 1 def tri(n): return n + tri(n - 1) What will be the current r
3. A toy rocket launcher contains a spring with a spring constant of 35 N/m. If the toy has a mass of 100 g (look at units!) and the spring is compressed by 30
The product of ten and a number decreased by seven ?
If μ1 and μ2 represent the mean fitness level for female teens and male teens respectively, which of the following is an appropriate pair of hypotheses in this
your friends has been absent from school due to illness.Write a letter to him describing some interesting things that have happened in the school during the per
Which meter used by Shakespeare is associated with the way that people speak?
A 35-year-old obese woman is complaining of localized pain in the right upper quadrant with referred pain to the right shoulder. The MOST likely cause of her pa
what were the strong and weak points of Feudalism
