vickip99
vickip99
25-03-2016
Mathematics
contestada
in don't understand how to work this problem out
Respuesta :
konrad509
konrad509
25-03-2016
[tex]x^2+8x-11=\\ x^2+8x+16-27=\\ (x+4)^2-27=\\ (x+4-\sqrt{27})(x+4+\sqrt27)=\\ (x+4-3\sqrt{3})(x+4+3\sqrt3)[/tex]
[tex]x^2+6x-11=\\ x^2+6x+9-20=\\ (x+3)^2-20=\\ (x+3-\sqrt{20})(x+3+\sqrt{20})=\\ (x+3-2\sqrt5)(x+3+2\sqrt5)[/tex]
Answer Link
VER TODAS LAS RESPUESTAS ( 98+ )
Otras preguntas
(DESPERATE PLEASE HURRY) question down below please show the work
50 points helpppppppppppppppp
Which of the following is a chemical property? Reactivity Phase at room temperature (Solid, liquid, or gas) Electrical conductivity Luster (shininess)
another name for mass burning is whatplease I need this answer
When are plot complications introduced in a story? A. a at the very end of the story B. after the conflict is introduced C. at the very beginning of the stor
If Z is the standard normal variable, then what is P(-4< Z < 2.1)?
Which details did you include in your response? Check all that apply. Modern, armored ships advanced weapons Western-style uniforms the Sino-Japanese War.
I NEED HELP ON THIS PROBLEM
A solved 10 more problems than I did in math which expression represents how many problems I solved
Which quadrilateral will always have 4-fold reflectional symmetry? trapezoid rhombus square rectangle
