Question

4.XElevado al cuadrado-7=29
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Answer 1

$4 x^{2} -7 =29$

$4x^{2} = 29+7$

$4x^{2} = 36$

$x^{2} = \frac{36}{4}$

$x^{2} = 9$

$\sqrt{ x^{2} } = \sqrt{9}$

$x = \frac{+}{} 3$