~plot~ x^2 + 2*x + 6 ; 2*x^2 + 3 ; [[ -2 | 4 | 0 | 25 ]] ~plot~
Schnittpunkte
p1 ( x ) = p2 ( x )
x^2 + 2*x + 6 = 2*x^2 + 3
x^2 - 2 * x = 3
x^2 - 2 * x + 1 ^1 = 3 + 1
( x - 1 )^2 = 4
x -1 = ±√ 4
x -1 = ± 2
x = 3
x = -1
Schnittpunkte ( 3 | p1 ( 3 ) )
( -1 | p1 ( -1 ) )