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19-11-2016
Mathematics

contestada

Write the quadratic equation in factored form. Be sure to write the entire equation.

x2 + x - 12 = 0

Respuesta :

syed514 syed514

20-11-2016

Quadratic formula : -[b+-sqrt { (b^2) - 4ac }] / 2a
Replacing values, we get
-[1+-(1-4(12))] / 2
=-(1+-(1-48)) /2
=-(1+-(-47)) /2
So we get two equations:

a= -(1-47)/2
=-(-46)/2
= 46/2
=32

b= -(1+47)/2
=-48/2
=-24

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