03 - Calcule o valor do x.
X△ 32 - X
16​


03 Calcule O Valor Do XX 32 X16 class=

Resposta :

(32-x)²=x²+16²→1024-32x-32x+x²=x²+256→ x²-x²-64x+1024-256=0 → -64x+768=0→ x=-768/-64= 12

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