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 ( 61+ )
Otras preguntas
what is 4 over 9 minus 1 over 12 equal simplified?
what is the difference between dividing 16 by 2 and finding the square root of 16
What is the simplest form for the product 3/5 •25/36 is?
What is the simplest form for the product 3/5 •25/36 is?
If4 times the reciprocal of a number is 3 more than 5/2 times the reciprocal of that number find the number Show your work
what is 4 over 9 minus 1 over 12 equal simplified?
The equation s x 2 5 can be used to estimate the speed, s, of a car in miles per hour, given the length in feet, x, of the tire marks it leaves on the ground.
what is 4 over 9 minus 1 over 12 equal simplified?
what is the difference between dividing 16 by 2 and finding the square root of 16
what events happened beforeloyalists left boston and philadelphia?
