(x-5) в квадрате + (x-3) в квадрате = 2

Question

(x-5) в квадрате + (x-3) в квадрате = 2

Comments

(x-5)^2+(x-3)^2=2

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2x-10+2x-6=2

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2x-10+2x=8

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4x=8+10

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4x=18

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x=18:4

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x=4,5

Answer 1

(x-5)^2+(x-3)^2=2 
x^2-10x+25+x^2-6x+9=2
2x^2-16x+32=0
D=256-256=0
x=16\4
x=4

Comments

благодарю:*)

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(*_*)

Answer 2

Х^2-10х+25+x^2-6x+9-2=0
x^2-16x-32=0
x=4

Comments

откуда 8?