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maddieaguilar
maddieaguilar maddieaguilar
  • 05-04-2016
  • Mathematics
Answered

X squared plus 5x=126. What is X?

Verified Answer :

BreStrum
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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