Question

1.)Xpangkat2+8x-9<0
2.) Xpangkat2-x-20>0
3.)X2pangkat2+5x>7

tolong ya kak bsk di kumpulin soal nya please help me please

Answer 1

1. (X + 9) (x - 1) = X = -9, x = 1 2. (X + 4) (x - 5) = X = -4, x = 5 3. (2x + 7) (x - 1) = X = 7/2, x = 1