Question

Which equation has no real solutions?

) ​​−2​x2=−168

) 4​x2+ 76 = 32

) 25​x2= 1

) 43 −​x2= 12

Answer 1

Explanation:

4x² + 76 = 32

4x² = -44

x² = -11

but x² must be non-negative, so there is no real solution.