Asked by Cathy
Solve the equation.
X^2+10x-20=0
X^2+10x-20=0
Answers
Answered by
Damon
x = [ -10 +/- sqrt (100 + 80) ]/2
x = -5 +/- .5 sqrt(180)
x = -5 +/- .5 sqrt ( 9 * 4 * 5)
x = -5 +/- 3 sqrt 5
x = -5 +/- .5 sqrt(180)
x = -5 +/- .5 sqrt ( 9 * 4 * 5)
x = -5 +/- 3 sqrt 5
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