missdivavia missdivavia

02-10-2017
Mathematics

contestada

[tex] \sqrt{26x+13} = x+7[/tex]

Respuesta :

lucyfiennes lucyfiennes

02-10-2017

√26+13 ² = (x+7)²
26x + 13 = X² +14X + 49
26X +13 - X² -14X - 49 = 0
12X - X² - 36 = 0
-(X²-12X+36) = 0
-(X-6)² = 0
(X-6)² = 0
X-6 = 0
X= 6

Answer Link

Otras preguntas

Which of the following best explains why a map scale is necessary? a. it allows a user of the map to assess distortions of continent size and shape b. it allows

based on the details in the excerpt, what is the primary purpose of this passage “the masque of the red death”

As chief financial officer, it is your responsibility to weigh financial pros and cons of the many investment opportunities developed by your company's research

What was the purpose of the Mayflower Compact? a. to establish laws for the general good b. to ensure that only Pilgrims governed c. to establish a state religi

Which field of earth science seeks to understand why Jupiter's moon has so many active volcanoes?

What can be used as a reason in a two-column proof? Select each correct answer. A. A premise B. A postulate C. A definition D. A conjecture

What actions could your school take to help combat the evolution of "superbugs"?

Cómo llevó a cabo Ray la gestión de la información de marketing?

uppose you select a random card from a standard deck of 52 cards and no jokers. If you draw a face card (king, queen, or jack), you win $5 . If you draw an a

A common problem in children that can lead to temporary or permanent hearing loss depending on its severity is or ear infection. A. otitis media B. sensorineura