Seudónimo Seudónimo

02-04-2015
Mathematics

contestada

What is the value of X in the following equation (x-2)(x+8)=0 and (x-7) to the second power=0

Respuesta :

Panoyin Panoyin

03-04-2015

(x - 2)(x + 8) = 0
x - 2 = 0 or x + 8 = 0
+ 2 + 2    - 8 - 8
   x = 2    x = -8

(x - 7)² = 0
√(x - 7)² = √(0)
x - 7 = 0
+ 7 + 7
   x = 7

Answer Link

Otras preguntas

What is the ones digit when you do 9 to the power of 999?

The compound below is estradiol, a hormone that triggers the development of female secondary sex characteristics. "a structure with a hexagonal ring with points

How is a piece of literature, which is a novel, defined?

adding subtracting complex numbers (5-3i) - (-2+4i)

Using complete sentences, compare the positions of liberals and conservatives in newly formed Latin American republics following the wars for independence from

Compare these two functions. Which function shows a greater rate of change?

Hello what country are u from? :]and what language do u speak?

Does anyone know and plz solve it out !!

Which cause-and-effect diagram best illustrates one main effect of informed citizens on the political system? O A Citizens understand different types of media.

Which of the following characters does NOT appear in Uncle Tom’s Cabin? A. Topsy B. Cassy C. Injun Joe D. Augustine St. Clare