NathanWadeGallegos NathanWadeGallegos
  • 24-07-2017
  • Mathematics
contestada

Solve the following equation by transforming it into a perfect square trinomial. x2 – 4x = 5 will mark as brilliant

Respuesta :

Аноним Аноним
  • 24-07-2017
x^2 - 4x = 5
(x - 2)^2 - 4 =  5
(x - 2)^2  = 9

x- 2 = +/- sqrt9  = +/- 3
x = 3 + 2 or -3 + 2
solution set is {-1 , 5}
Answer Link

Otras preguntas

show the work and answer for 5550÷10 to the third power
The Magna Carta and the English Bill of Rights share which of these important characteristics? A. They both limit the power of monarchs. B. They both protec
what happens in the phloem
True or false: members of the same species tend to divide resources instead of competing over them.
Sensory cells in taste buds respond to which types of flavors? A. salty, bitter, sweet, sour, umami B. salty, spicy, juicy, sweet, tangy C. sour, tangy, spicy
As American forces approached Japan, Japanese forces a. won an important victory in the Philippines. b. conquered every island the United States held. c. sur
50 points!!! 75 for best answer!!!!!! 1. Compare and contrast John Keats’s “To Autumn” and Susan Hartley Swett’s “July.” In your response, make sure you include
Randy currently has a batting average of .388. What two fractions is this decimal between?
The ideas, things, or events people feel are important are called A. values. B. relationships. C. attitudes. D. conflicts.
what is another way to write 9 times 200