alexxxxx25
alexxxxx25
08-10-2015
Mathematics
contestada
(x-2)(x+1)=3x-4
solve
Respuesta :
crisforp
crisforp
08-10-2015
x^2 + x - 2x - 2 = 3x - 4
x^2 - x - 2 = 3x - 4
x^2 - x - 3x - 2 + 4 = 0
x^2 - 4x + 2 = 0 ;
is the quadratic formula ;
a = 1 ; b = -4 ; c = + 2 ;
The solutions are ( - 1 +
[tex]2 \sqrt{3} [/tex]) / 2 and ( - 1 - [tex]2 \sqrt{3} [/tex]) / 2 ;
Answer Link
VER TODAS LAS RESPUESTAS ( 96+ )
Otras preguntas
How are all mobile phones different from fixed telephones in the way that they transmit and receive voice messages?
the reciprocal of 1/4
Will the opposite of zero always sometimes or never be zero? Explain your reasoning
The ratio of Isabella's money to Shane's money is 3:11. If Isabella has $33, how much money do Shane and Isabella have together?
A divided by -2.3=7.9 what's a please help ASAP
how is earths structure related to the creation of continents oceans and mountain ranges
find the slope of the line parallel to each given line y=2/3x-2 y=9/5-5 Write the slope intercept form of each equation x-2y=7 7x+2y=-28 2x+3y=-6 2x+3y=-7
The spanish mostly viewed native americans in new mexico as a. Inferior people mostly good for labor. b. Sophisticated allies with valued technology. c. Supe
Name for tools that map makers use to help readers interpret information on maps
A particle moving uniformly along the x axis is located at 11.3 m at 0.588s and at 3.38 m at 4.67s. Find the displacement during this time intervals.