Using the Quadratic Formula In Exercises 69–72, use the Quadratic Formula to solve the equation. (Round your answer to three decimal places.) 69. 5.1x – 1.7x = 3.2 70. 2x² – 2.53xr = 0.42 71. -0.005x² + 0.101x – 0.193 = 0 %3D 72. – 3.22x2 – 0.08x + 28.651 = 0

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