10. Factor: x2 + x = 0. a 7,0 b. -7,0 c. 7.1 d. -7, -1 11. Solve: y2 + 4y = 32 by completing the square. What are the roots? a. y = 4&y= 8 c. y=-6, y = -4 b. y=-4&y=8 d. y = 6, y = 4 12. Find the solutions of the equation 2x2 + 3x = 27 using quadratic formula. What are the roots? a. -3 and 2 c. 3 and - d. 3 and - / b. 3 and 2​