Question

(15 - 4) + 3 - (12 - x 2) - 9 =​

Answer 1

Respuesta:

(15 - 4) + 3 - (12 - x 2) - 9 =​20

Explicación paso a paso:

Answer 2

$(15 - 4) + 3 - (12 - {x}^{2}) - 9 = \\ 11 + 3 - (12 - {x}^{2} ) - 4 \\ 11 + 3 - 12 {x}^{2} - 4 \\ {x}^{2} + (11 + 3 - 12 - 4) \\ {x}^{2} - 4$

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