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How to solve an equation using "solve" and get a decimal approx?

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Joey
Joey 2014-12-7
编辑： Julián Escobar 2022-7-4
I'm solving an equation for x using "solve(eqn,x)" and everything works fine but I get the fraction answer and I want the decimal answer. How can I change it?

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Azzi Abdelmalek
Azzi Abdelmalek 2014-12-7
eq='x^2-2*x-7'
s=double(solve(eq))

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