El profesor se sorprenderá mucho al ver tu solución correcta😉
19 (x - 2)*(x + 7) = --------------- (x + 1)*(x + 4)
___ 5 \/ 5 x1 = - - - ----- 2 2
___ 5 \/ 5 x2 = - - + ----- 2 2
____ 5 \/ 85 x3 = - - + ------ 2 2
____ 5 \/ 85 x4 = - - - ------ 2 2
x4 = -sqrt(85)/2 - 5/2
suma
___ ___ ____ ____ 5 \/ 5 5 \/ 5 5 \/ 85 5 \/ 85 - - - ----- + - - + ----- + - - + ------ + - - - ------ 2 2 2 2 2 2 2 2
=
-10
producto
/ ___\ / ___\ / ____\ / ____\ | 5 \/ 5 | | 5 \/ 5 | | 5 \/ 85 | | 5 \/ 85 | |- - - -----|*|- - + -----|*|- - + ------|*|- - - ------| \ 2 2 / \ 2 2 / \ 2 2 / \ 2 2 /
=
-75
-75
x1 = -3.61803398874989
x2 = -1.38196601125011
x3 = 2.10977222864644
x4 = -7.10977222864644
x4 = -7.10977222864644