ms6932
ms6932
02-03-2018
Mathematics
contestada
negative 1 over 2x + 2 = −x + 7
Respuesta :
sqdancefan
sqdancefan
03-03-2018
Multiply by the denominator and solve the resulting quadratic.
.. -1/(2x +2) = -x +7
.. -1 = (2x +2)(-x +7)
.. 2x^2 -12x -15 = 0
And from the quadratic formula
.. x = (12 ±√((-12)^2 -4(2)(-15)))/(2(2))
.. x = 3 ±√16.5
x ≈ -1.062019 or 7.062019
Answer Link
VER TODAS LAS RESPUESTAS ( 79+ )
Otras preguntas
According to the Hooke’s law formula, the force is proportional to what measurement?the length of the springthe mass of the springthe displacement of the spring
what is the value of the expression 3−4 ? −181 181 −81 −12
two groups collect lighter along the side of a road. it takes 5 minutes to clean up a 200 yard section. how long dose it take to clean up 2 miles?
A banker invested $3000 in an account that earns 6% interest that is compounded quarterly. How much interest will be earned in 3 years?
(0.4h^5)^3 Simplify help me please !
Through any two points there is exactly one?
what is the quotient? 3806 _________ 22
members of a car sharing program pay a fee of $50 per month plus $7.65for every hour they use a car . a members bill was $149.45 last month. how many hours did
Line RS bisects PQ at point R, Find RQ if PQ = 14 cm
Which sentence best describes the phrase Deus ex Machina?
