solve by factoring 4x^2-25=0

Question

laticiajohnson9 laticiajohnson9

28-08-2015
Mathematics

contestada

solve by factoring 4x^2-25=0

Respuesta :

Otras preguntas

In a tug of war, two teams exerts a force of 30 N each. What is the net force acting on the rope?

how many moles of solute are contained in a 250 ml solution that has a concentration of.85 m? A) 210 B)0.21 C)3.4 D)0.29 E)0.85

A branch of musicology which focuses on the scientific perspective of music is called what

Aggregate demand is defined as a. the total amount of goods and services available in the economy at all possible price levels. b. the market value of all fin

The part of the sentence that tells ��who�� or ��what��

All bacteria are classified as a. archea. b. protista. c. prokaryotes. d. eukaryotes.

Any driver who's stopped by a law enforcement officer and found to have a breath or blood alcohol level of .08 or higher will, at the time of the arrest

Which text from "Helen Grey" explicitly states a consequence of Helen's behavior? Your eyes are bold, your laugh is loud, But so you miss that modest charm T

The sentence below is correctly punctuated. Harry saw me in the crowd, but he did not wave. A. True B. False

Which three characteristics of giovanni's speech make it sound like a poem? a. style, rhythm, and structure b. rhyme, style, and imagery c. imagery, structur

Panoyin Panoyin · Answer 1 · 2015-08-28T03:05:14+02:00

   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}