2 sin squared x plus sin x minus 1 is equal to 0 solve for x?

2 sin2(x) + sin(x) - 1 = 0

(2 sin + 1) (sin - 1) = 0

Either 2 sin(x) + 1 = 0

2sin(x) = -1

sin(x) = -0.5

x = 210°, 330°

or sin(x) - 1 = 0

sin(x) = 1

x = 90°