Question

6=ا - 2(
2 x ao quadrado - 49 = 6​

Answer 1

${2x}^{2} - 49 = 6 \\ {2x}^{2} = 6 + 49 \\ {2x}^{2} = 55 \\ {x}^{2} = \frac{55}{2} \\ x = \sqrt{ \frac{55}{2} } \\ s = ( \sqrt{ \frac{55}{2} } )$