Solve using the quadratic formula.x2 + 5x – 50 = 0

Solve.(x + 3)2 = 12

Solve.n2 – 196 = 0

Solve.6z2 – 864 = 0

Solve.(2m – 5)2 = 121

Solve.2k2 = 9k – 9

Solve using the quadratic formula.20×2 + 33x + 10 = 0

Solve.8y2 + 22y + 15 = 0

Solve.n2 = 121

Solve using the quadratic formula.5×2 + 8x = – 1