laticiajohnson9
laticiajohnson9
28-08-2015
Mathematics
contestada
solve by factoring 4x^2-25=0
Respuesta :
Panoyin
Panoyin
28-08-2015
4x² - 25 = 0
4x² - 10x + 10x - 25 = 0
2x(2x) - 2x(5) + 5(2x) - 5(5) = 0
2x(2x - 5) + 5(2x - 5) = 0
(2x + 5)(2x - 5) = 0
2x + 5 = 0 U 2x - 5 = 0
- 5 - 5 + 5 + 5
2x = -5 2x = 5
2 2 2 2
x = -2¹/₂ x = 2¹/₂
Solution Set: {-2¹/₂, 2¹/₂}
Answer Link
VER TODAS LAS RESPUESTAS ( 47+ )
Otras preguntas
plant like organisms that live on dead organic matter
who believed that workers would overthrow wealthy business owners
Why was it a mistake for General Cornwallis to move his troops to Yorktown?
who buys most of Mexico's oil? a. Canada b. Peru c. united States d. England
If a car travels 60 mi. north for one-half hour, 100 mi. west for one hour, and 60 mi. south for 30 minutes, what is the total displacement of the car? 100 220
how did the emergence of the colonial press reflect a growing colonial perspective? A) a colonial press allowed many in the colonies too spread religion, allowi
N x $5.06=$506.00 What is the answer
Susan divides the fraction 5/8 by 1/16. Her friend Robyn divides 5/8 by 1/32. Predict which person will get the greater quotient. Explain and check your predict
As a result of the Persian Wars of the 5th century BC __________. a. Athens took the lead in organizing an alliance of Greek city-states against further attacks
Cecil Rhodes wrote that he wanted to “paint as much of the map of Africa British red as possible.” Which of the following best paraphrases what he meant
