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

Plz help me with these 4 questions 15-18 about Pythagorean theorem.
what is the proability that both pudding cups in a package are defective
if the motion of particles is decreasing, is heat flowing into or out of the substance? also, explain why
what sea bordered all of the major regions of ancient greece
what are 3 plant adaptations to land?
identify the theory that is fundamental to all organsims
Find the greatest common factor: 12xy5+ 60x4y2 – 24x3y3 A. 3x4y5 B. 6xy5 C. 6xy2 D. 12xy2
why did East Germans emigrate to West Germany/West Berlin?
Bradford has an aquarium with a base that is 22 inches times 12 inches and a height that is 15 inches. What is the volume of the aquarium? Would the volume of t
heelpp!!!!!! me 10. Find the pair of words that has the same kind of relationship as the numbered pair. apprehend : emancipate :: (Points : 3)