Odpowiedź :
4(0.5-3)²-(2-x)²=0
(2-12)²-4+x²=0
4-144-4+x²=0
x²=0-4+144+4
x²=-136
x=136
(2-12)²-4+x²=0
4-144-4+x²=0
x²=0-4+144+4
x²=-136
x=136
4(0.5-3)²-(2-x)²=0
4*(-5/2)²-(4+x²-4x)=0
4*25/4-4-x²+4x=0
21-x²+4x=0
4x-x²=-21
(4-x)*x=-21
4*(-5/2)²-(4+x²-4x)=0
4*25/4-4-x²+4x=0
21-x²+4x=0
4x-x²=-21
(4-x)*x=-21
4(0.5-3)²-(2-x)² = 0
(2-12)²-4+x² = 0
4-144-4+x² = 0
x² = 0-4+144+4
x² = -136
x = 136
(2-12)²-4+x² = 0
4-144-4+x² = 0
x² = 0-4+144+4
x² = -136
x = 136