maddieaguilar
maddieaguilar
05-04-2016
Mathematics
contestada
X squared plus 5x=126. What is X?
Respuesta :
BreStrum
BreStrum
05-04-2016
x^2+5x=126
x^2+5x-126=0 (Get to standard form)
(x-9)(x+14)=0 (Factor)
(Set each set equal to zero)
x-9=0
x=9
x+14=0
x=14
x=9 or x=-14 Here are your two answers!
Hope that helps!
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