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11-07-2016
Mathematics

contestada

Solve each quadratic equation. Show your work.x^2 + 3x = 10

Respuesta :

dalendrk dalendrk

18-07-2016

[tex]x^2+3x=10\\x^2+3x-10=0\\x^2+5x-2x-10=0\\x(x+5)-2(x+5)=0\\(x+5)(x-2)=0\iff x+5=0\ or\ x-2=0\\\\\boxed{x=-5\ or\ x=2}[/tex]

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