Kaylabear
Kaylabear Kaylabear
  • 20-05-2014
  • Mathematics
Answered

Solve the following equation algebraically. Represent your answer in simplest radical form, if necessary.
x^2 + x = 30



Answer :

kate200468
kate200468 kate200468
  • 20-05-2014
[tex]x^2 + x = 30\\\\x^2 + x - 30=0\\\\x^2+6x-5x-30=0\\\\x(x+6)-5(x+6)=0\\\\(x+6)(x-5)=0\\\\x+6=0\ \ \ \ \ \ or\ \ \ \ \ \ x-5=0\\\\x=-6\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ x=5[/tex]
Answer Link

Other Questions

If you start skating down this hill, your potential energy will be converted to kinetic energy. At the bottom of the hill, your kinetic energy will be equal to
can you tell me what is Spanglish?
How do I factor x^2+7×+6
5 sentences about outdoor recreation that will help me revise for a test
What is the magnitude of the electric field at a point 0.0075 m from a 0.0035 C charge?
why it is that evaporation causes cooling,but boiling causes heating?
what does it mean to be 'dead in the water'?
A jar contains five red marbles and three green marbles. A marble is drawn at random and notreplaced. A second marble is then drawn from the jar.1) Find the pr
what does it mean to be better 'hands down'?
Why does the world fight over things constantly?