Solve for x x + 9=−2 5

Use the quadratic formula to solve the equation. if necessary, round to the nearest hundredth. x^2 - 8 = -6x a. –7.12, 1.12 b. 7.12, –1.12 c. 7.12, 1.12 d. –7.12, –1.12

I'm confused on this could anyone me and show me what i need to do to solve it.

Which inequality is equivalent to -3x < -12? x < 4 , x < -4 , x > 4, x > -4