Question

( x puterea 2 -x +2) puterea 2 - xputerea2 ( 1-2x)= ( x puterea 2 +2) puterea 2 -3( x+1) 
 VA ROG

Answer 1

(x²-x+2)-x²(1-2x)=(x²+2)²-3(x+1)
x²-x+2-x²+2x³=x⁴+4+4x²-3x-3
2x³-x+2=x⁴+4x²-3x+1
0=x⁴-2x³+4x²-2x-1
0=x³(x-2)+2x(x-2)-1
0=(x³+2x)(x-2)-1
Si de aici nu mai ai ce sa ii faci :-??