Rozwiaz rownania x3+3x2-4=0 x3+2x2-16x-32=0 x3-5x+4=0
Rozwiaz rownania
x3+3x2-4=0
x3+2x2-16x-32=0
x3-5x+4=0
x3+3x2-4=0 3x+6x-4=0 /+4 9x=4 /:9 x=4/9 x3+2x2-16x-32=0 3x+4x-16x-32=0 /+32 -9x=32 /:(-9) x=-32/9 x=-3 5/9 x3-5x+4=0 3x-5x+4=0 /-4 -2x=-4 /:(-2) x=2