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 ( 52+ )
Otras preguntas
In this part of the selection, scientists were surprised that a baby octopus was A small enough to hide from a jellyfish. B. brave enough to hunt at night. С sm
Please help if this is correct.
will give brainly please help Which of the following events occur during the "Redemption & Restoration" stage of Pip's story in Great Expectations? Select
Find the zeros of the function.Enter the solutions from least to greatest.f(x)=-3x^2 +75
what is the name given to the bone breakage accompanied by the tearing of the flesh?
Which situation shows the president acting as head of state?A) sending troops into combatB) appointing members of the cabinetC) awarding a medal to a war heroD)
Question 7 5x = 24 - x
The two sides of the DNA helix are held together by
What is the y-intercept of the line shown? A. O B. 1 C. 3 D. 3.5
help me, i will mark if ur correct
