Question

calcule a raiz da equação 5x elevado a 2 - 180 = 0​

Answer 1

OPA

CHEGUEI PARA AJUDAR》》》》

$5x^{2}-180=0$

$x=\dfrac{0±\sqrt{0^{2}-4\times 5\left(-180\right)}}{2\times 5}$

$x=\dfrac{0±\sqrt{-4\times 5\left(-180\right)}}{2\times 5}$

$x=\dfrac{0±\sqrt{-20\left(-180\right)}}{2\times 5}$

$x=\dfrac{0±\sqrt{3600}}{2\times 5}$

$x=\dfrac{0±60}{2\times 5}$

$x=\dfrac{0±60}{10}$

$x=6 \\ x=-6$