Respuesta:
Explicación paso a paso:
[tex]10.-\\x_{1}=-3\,,x_{2}=5\\\\(x+3)(x-5)=0\\\\x^{2}-2x-15=0\\\\11.-\\x_{1}=2\,,x_{2}=4\\\\(x-2)(-4)=0\\\\x^{2}-6x+8=0\\\\12.-\\x_{1}=-1\,,x_{2}=1\\\\(x+1)(x-1)=0\\\\x^{2}-1=0[/tex]
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Respuesta:
Explicación paso a paso:
[tex]10.-\\x_{1}=-3\,,x_{2}=5\\\\(x+3)(x-5)=0\\\\x^{2}-2x-15=0\\\\11.-\\x_{1}=2\,,x_{2}=4\\\\(x-2)(-4)=0\\\\x^{2}-6x+8=0\\\\12.-\\x_{1}=-1\,,x_{2}=1\\\\(x+1)(x-1)=0\\\\x^{2}-1=0[/tex]