AnaBelle111
AnaBelle111
05-09-2017
Mathematics
contestada
Please find the value(s) of x.
Respuesta :
liemonder
liemonder
05-09-2017
-2x^2+50x+40=0
-2*(x^2-25x-20)=0
x^2-25x-20=0
complete square:
x^2-25x-20+156.25^2=0+156.25
x^2-25x+156.25^2=20+156.25
(x-12.5)^2=176.25
x-12.5=+/-sqrt(176.5)
x=12.5+/-sqrt(176.5)
Answer Link
VER TODAS LAS RESPUESTAS ( 92+ )
Otras preguntas
Factor this expression completely 6ab + 10bc - 8bd
A regular type of laminate is currently being used by a manufacturer of circuit boards. A special laminate has been developed to reduce the warpage. The regular
What happened that ended the idea of isolationism for America during World War II?
Plzz I rlly need help
A wasp is a flying insect. In wasps, wing length is coded for by a single gene. Two scientists studying wasps hypothesize that short wings are recessive to long
Vera made a rectangle using a string that is 40 cm long. Aw) models the area of the rectangle (in sq. cm) as a function of the rectangle's width W (in cm). Matc
Anyone that can help me
Describing How Systems Work Tog Which systems work together so oxygen can be distributed to the cells of your body? How do these two systems work together to ac
I don’t I understand I just need the answer
Helppppppppppppppppp
