Sin 2 x + 2 sin x = 0
2 sin x cos x + 2 sin x = 0 / : 2
sin x cos x + sin x = 0
sin x ( cos x + 1 ) = 0
sin x = 0, cos x + 1 = 0, cos x = - 1;
Answer:
x = 0, or x = π
Y=x^2-x-42 . hope this helps
There’s not a picture or something
Chad would have is $55 after mowing lawns B & D I hope this helped, I haven't done this kind of math in while!