Question

2 n square minus in minus 15 is equal to zero​

Answer 1

Answer:

Step-by-step explanation:

Answer 2

Answer:

${(2n)}^{2} - ( - 15) = 0 \\ {4n}^{2} + 15 = 0 \\ {4n}^{2} = - 15 \\ {n}^{2} = \frac{ - 15}{4} \\ n = \sqrt{ \frac{ - 15}{4} } \\ n = \frac{ \sqrt{ - 15} }{2}$