Respuesta:
[tex]ht = \sqrt{ {8}^{2} - {4}^{2} } = \sqrt{64 - 16} = \sqrt{48} = 6.92[/tex]
[tex] {x}^{2} - 17x - 60 = 0[/tex]
[tex](x - 20)(x + 3) = 0[/tex]
[tex]x = 20 \: \: \: x = - 3[/tex]
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Respuesta:
[tex]ht = \sqrt{ {8}^{2} - {4}^{2} } = \sqrt{64 - 16} = \sqrt{48} = 6.92[/tex]
[tex] {x}^{2} - 17x - 60 = 0[/tex]
[tex](x - 20)(x + 3) = 0[/tex]
[tex]x = 20 \: \: \: x = - 3[/tex]