For Exercises 57–72, solve the equations. (See Examples 7–8) 17 57. 4u? + 64 = 0 58. 8p? + 72 = 0 59. t - = - 4 47 61. ř – 8t = -24 62. p – 24p = -156 Snipping Tool 60. а — 3 9. 63. 4z + 24z = - 160 64. 2m? + 20m = -70 65. y = -4y – 6 66. z? -8z - 19 67. t(t – 6) = -10 68. m(m + 10) = -34 1 69. ——с + 2 7 70. --d + 1 = -3d² 2 71. 9x + 49 = 0 72. 121x + 4 = 0

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