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Mathematics
Pamela Ellis
9 March, 16:23
Solve this quadratic equation. Show all work.
4x^2-2x-5=0
+5
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1
)
Jonah Melton
9 March, 20:07
0
X = - b⁺₋ √b²-4ac/2a
x = ( - (-2) ⁺₋√ (-2) ² - 4 (4) (-5)) / 2 (4)
x = 4 ⁺₋√4+80/8
x = (4⁺₋ 9.165) / 8
x = 4+9.165) / 8 or x = 4-9.165) / 8
x = 1.40 or x = - 0.896
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