brownchiqk
brownchiqk
08-03-2017
Mathematics
contestada
Solve the quadratic equation.
(x - 5)2 = 9
Respuesta :
texaschic101
texaschic101
08-03-2017
(x - 5)^2 = 9
(x - 5)(x - 5) = 9
x^2 - 10x + 25 = 9
x^2 - 10x + 25 - 9 = 0
x^2 - 10x + 16 = 0
(x - 8)(x - 2) = 0
x - 8 = 0
x = 8
x - 2 = 0
x = 2
solution : x = 8 and x = 2
Answer Link
VER TODAS LAS RESPUESTAS ( 97+ )
Otras preguntas
Which element reacts spontaneously with 1.0 M HCl at room temp? 1.copper 2.gold 3.silver 4.zinc
Robert Hook's discovery helped scientists learn more about _____.
If a restaurant sells 210 pizzas per day and wants a ratio of 3 drinks sold per pizza, how many drinks would they need to sell?
Why did the 1905 Russian revolution happen?
What is 12x squared - 9x + 15
Is 2/6 equivalent to 4/12
Is 3/4 equivalent to 8/12
which ordered pair is a solution of the system of equationsy=-3/5xx-3y=-42A.(70,-42)B.(-21,63/50)C.(5,3)D.(-15,9)
Which of the following are congruence transformations? A.Shrinking B.Rotating C.Reflecting D.Stretching E.Translating
Convert 59°c to farenheit
Q&A Platform for Education
Platform Explore for Education
