Question

Determine o valor de y
2y × y -1 = y × y +2

Answer 1

Resposta:

2y . y - 1 = y.y + 2

2y² - 1 = y² +2

2y² - y² = 2+1

y² = 3

y  = ±√3

Espero ter ajudado

Answer 2

$\large\boxed{\boxed{\boxed{{Ol\'a\:Kassiane}}}}}$

$2y.y-1=y.y+2$

$2y^2-1=y^2+2$

$2x^2-y^2=+2+1$

$y^2=+3$

$y=±\sqrt{+3}$

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