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

Otras preguntas

Which energy resource is inexpensive, helps with garbage disposal, and reduces the need for landfills, protecting habitat? O Hydropower O Natural gas O Petroleu

Verbs with irregular Yo forms: Fill in the blank with the verb and conjugation that makes the most sense 1. Mañana ________ para Colombia a. veo b. oigo c. h

Which is a stretch of an exponential decay function?

The part of your speech that does most to establish your credibility with the audience is the

What is the rate of change of the function y = − 1/4 x + 1

I WILL GIVE 20 POINTS TO THOSE WHO ANSWER THIS QUESTION RIGHT NOOOO SCAMS AND EXPLAIN WHY THAT IS THE ANSWER

How long does it take most dishes to air dry

Otis measured the heights of several sunflowers. He found that their heights were 1, 4, 6, 9, and 10 feet. Otis found that the mean was 6 feet and the range was

Question 34(Multiple Choice Worth 3 points) (Citizenship 02.05 MC) Which of the following explains why Americans do not have unlimited rights? O Rights without

Identify the center and radius of each equation (x-5)² + (y+7)² =64