codydambrosia codydambrosia
  • 08-03-2015
  • Mathematics
contestada

X2+5x=3x+11 and solve by completing the square

Respuesta :

konrad509
konrad509 konrad509
  • 08-03-2015
[tex]x^2+5x=3x+11\\ x^2+2x-11=0\\ x^2+2x+1-12=0\\ (x+1)^2=12\\ x+1=\sqrt{12} \vee x+1=-\sqrt{12}\\ x=-1+2\sqrt3 \vee x=-1-2\sqrt3[/tex]
Answer Link

Otras preguntas

The currency of Country X is pegged to the currency of Country Y and will remain pegged. Assume that Country Y's currency appreciated against the dollar during
Please try to answer it
Jimmy has 40apples and Karl has 20 how many more apples does jimmy has from Karl
Whoever writes me a good (I MEAN GOOD) poem, gets brainliest and thanks (Any trolls will get reported).
Liz agrees to cook twenty dinners for Brian, in exchange for which Brian will repair all of the plumbing in Liz's house. Liz has offered legally: a. sufficient
[tex]5 \div 3[/tex]​
Simplify the algebraic expression by combining like terms.
Meeting 7. What energy changes take place during the cellular respiration reaction?
GPS survey technique requiring two or more receivers where the receivers must first be initialized to determine integer ambiguity for each pseudorange. Initiali
100 POINTS PLEASE HELP ASAP!!! Hannah bought 0.5 pounds of grapes and pounds of bananas. What did she buy more of? A. grapes B. She bought the same amount of