Question

$4x^{2} =169$

Answer 1

Resposta:

Explicação passo a passo:

4x²=169

x²=169/4

x=√169/4

x=+13/2

x=-13/2

S={-13/2;+13/2}

Answer 2

$\sf4x^2=169$

$\sf x^2=\dfrac{169}{4}$

$\sf x=\pm\dfrac{13}{2}$

$\boxed{\boxed{\sf S=\left\{\sf-\dfrac{13}{2};\dfrac{13}{2}\right\}}}$