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 ( 58+ )
Otras preguntas
The velocity of a particle (m 10 mg, q = – 4.0 μC) at t = 0 is 20 m/s in the positive x- direction. If the particle moves in a uniform electric field of 20 N/C
urgent! please help :)
Growing regulatory burdens from Biden's executive orders, his regulator's open hostility to the U.S. economic system, and a return to a Progressive-era model of
Write down the size of angle f give the angle fact that you used for your answer
ahmed owns two hundred acres next to michael’s lumber mill. ahmed sells to michael the privilege of removing timber from his land to refine into lumber. the pri
Need help solving this problem try to exclude steps if can
Derive an expression for drag force on a smooth submerged object moving through incompressible fluid if this force depends only on speed and size of object and
Ratio of surface area to volume of cylinder
which of the following is not a characteristic of flexible production? a. mass production b. subcontracting c. outsourcing d. just-in-time e. offshoring
Which of the following are events involving electricity? Select all that apply. Select all that apply: the accumulation of static electricity on a balloon the f
