(x-3)²+(x+4)²-(x-5)²=17x=24
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(x-3)²+(x+4)²-(x-5)²=17x=24
(x-3)²+(x+4)²-(x-5)²=17x=24
(x-3)²+(x+4)²-(x-5)²=17x=24
(x-3)²+(x+4)²-(x-5)²-17x=24
x²-6x+9+x²+8x+16-x²+10x-25-17x=24
x²-5x-24=0
(x-8)(x+3)=0
x=8 x=-3