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(2x+1)² - 2(x-5) + 6 =3x(x+1) + (x-1)² + 23

Răspuns :

4x²+4x+1-2x+10+6=3x²+3x+x²-2x+1+244x²+2x+17=4x²+x+242x-x=24-17
x=7
4x² +4x+1 -2x +10 +6=  3x² +3x +x²-2x+1 +23

4x² +2x +17= 4x² +x +24

2x+17=x+24

2x-x=24-17

x=7