Question

$3 \times + 2 - 7 \times + 2 {?}^{2} + 3 = 2 \times { }^{2} - 4 \times + 5$
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Answer 1

Respuesta:

$x = \sqrt{2} ....x = - \sqrt{2}$

Explicación paso a paso:

-4x + 9 = 2x^2 - 4x +5

-4x + 4x + 9 - 5 = 2x^2

4 = 2x^2

$2 = x {}^{2} ...x = + \sqrt{2} ... - \sqrt{2}$