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

Find the value of x, rounded to the nearest tenth.

What is the answer lol somebody help me please and thank you !

This is a type of proof where you show that a given statement can be deduced from basic truths.

Solve the X in the diagram below? Click the picture

What are 2 similarities and 2 differences between a selfie and an self- portrait painting/drawing? What purpose did self- portraits serve in art history?

What us the sum of (4.5 x 10²) + (6.0 x 10³) in scientific notation?

How does Vivaldi, Spring, Allegro ( Four Seasons) make you feel?

3. REASONING Did the resettlement plan accomplish the goals of the American Colonization Society? Why or why not? Support your answer with evidence from the tex

The diagonals of a parallelogram has what to each other?

Unit Test Unit Test Active TIME REMAINING 02:55:05 Which sentence provides evidence that supports the claim introduced in sentence 1? Read the passage. (1) Lyri