anthonymarte215 anthonymarte215

15-09-2016
Mathematics

contestada

Solve x2 – 2x – 15 = 0 using the zero product property.

Respuesta :

15-09-2016

Hello,

x²-2x-15=0
<==> x²+3x-5x-15=0
<==>x(x+3)-5(x+3)=0
<==>(x+3)(x-5)=0
<==> x=-3 or x=5

sol={-3,5}

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