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Mathematics
Ashley Ellis
13 August, 00:06
4x^2-x-3=0
Solve by completing the square.
x = ?
+1
Answers (
1
)
Gavyn Humphrey
13 August, 03:10
0
4x^2-x-3=0
let us rewrite the equation in much simplified form:
x^2 - 0.25x - 0.75 = 0
x^2 - 0.25x = 0.75
x^2 - 1/4 x + 1/64 = 3/4 + 1/64
(x-1/8) ^2 = 49/64
x - 1/8 = ± 49/64
x1 = - 3/4
x2 = 1
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