# Algebra 2

Solve the equation.
X^2+10x-20=0

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2. 👎 0
3. 👁 98
1. x = [ -10 +/- sqrt (100 + 80) ]/2

x = -5 +/- .5 sqrt(180)

x = -5 +/- .5 sqrt ( 9 * 4 * 5)

x = -5 +/- 3 sqrt 5

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2. 👎 0
posted by Damon

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