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 ( 15+ )
Otras preguntas
The Egyptians advanced travel by building the
Michelle smith bought 30 shares of james company stock at $34 per share. the company paid annual dividends of $0.42 per share. what is the total annual dividend
Determine what will happen if more BiCl3 is added to the following reaction BiCl3 (aq) + H 2 O (l) ⇌ BiOCl (s) + 2HCl (aq)
under enough stress, gypsum will stretch and flatten permanently in a process called ___
A computer manufacturer is performing a quality check to make sure the computers’ sound cards are working correctly. The plant manager tested 1,000 computers on
What do lithium carbonate, carbamazepine (tegretol), and valproate (depakote) have in common?
Instructions:Select all the correct answers. Which sentences describe disadvantages of burning fossil fuels instead of using hydrogen fuel cells? 1.Burning foss
Could someone help me please need answer ASAP
Geometry math question no Guessing and Please show work thank you
what is the main motive behind dealer incentives? A. maintaining good dealer-manufacturer relationships B. ensuring that the customer gets the best possible de
