Question

resolva as equações​

Answer 1

2x² - 98 = 0

2x² = 98

x² = 98/2

x² = 49

x= ± √49

S= ( x= + 7 ou x= - 7}

Answer 2

${2x}^{2} - 98 = 0$

$4x = 98$

$x = \frac{98}{4}$

$x = 24.5$