Nick1id
Nick1id
Math
Answered
x2 -5x-6=0 completing the square
Sagot :
Poseidownid
Poseidownid
x^2 - 5x - 6 = 0
x^2 - 5x - 6 + 6 = 0 + 6
x^2 - 5x _______ = 6____
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-5 x 1/2 = (-5/2)^2 = 25/4
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x^2 - 5x + 25/4 = 6 + 25/4
factor..
(x-5/2)^2 = 49/4
do the square root property.
x-5/2 = ±7/2
and that's the answer
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