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X^2 -x-20=0 Solve the equation by completing the square

X^2 -x-20=0 Solve the equation by completing the square
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X^2 -x-20=0 Solve the equation by completing the square

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User Pape
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7.3k points

1 Answer

6 votes
x=4
first you add 20 to both sides
then you try all numbers that square to get less than 20 and 4 is the correct one
answered
User Aaron Franke
by
9.3k points
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