Question

Is x = -3 a solution to the equation -3X^2=-27

Answer 1

x=-3
-3×x²=-27
-3×-3²=-27
3-×-9=-27
-27=-27
LHS=RHS

Answer 2

Yes it is.

-3(-3)^2 = -27

-3(9) = -27

-27 = -27