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Mathematics, 27.09.2019 03:00 ninilizovtskt

Use the quadratic formula to solve 4x^2 + x - 1 = 0.
a. {.0.5, 0.7}
b. {-0.3, -0.1}
c. {0.2, 0.4}
d. {-0.6, 0.4}

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You know the right answer?
Use the quadratic formula to solve 4x^2 + x - 1 = 0.
a. {.0.5, 0.7}
b. {-0.3, -0.1}
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