Solve the equation 4c2 + 7c – 5 = 0 using the quadratic formfoula

asked Aug 13, 2019 127k views

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Answer:

4c² + 7c - 5 = 0

c = (-7 ± √(7² - 4(4)(-5)))/(2(4))

= (-7 ± √(49 + 80))/8

= (-7 ± √129)/8

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