calvinmantyla calvinmantyla
  • 15-12-2018
  • Mathematics
contestada

solve for w. -18w^2+5=-43w^2 write your answer in simplified, rationalized form

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meghanbf
meghanbf meghanbf
  • 15-12-2018

Start by isolating the variable on one side by adding 43w^2 to both sides.  The equation will read:

25w^2+5=0

*Subtract 5 from both sides*

25w^2=-5

*Divide both sides by 25*

w^2=-1/5

*Take the square root of both sides*

w=√(-1/5)

The square root of -1 is i.  The square root of 5 remains √5


The answer is i/√5.


Hope this helps!!

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