Решите уравнение (y-3y)²+|y+2|=0

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вопрос

(y-3y)² can be simplified to (-2y)² or 4y²

Now, we have the equation 4y² + |y+2| = 0

For the absolute value term to be equal to 0, the term inside the absolute value must be equal to 0. So, y + 2 = 0

y = -2

Therefore, the solution to the equation is y = -2