helpmeporfa helpmeporfa
  • 09-04-2019
  • Mathematics
contestada

/sqrt{4x+15=3/sqrt{x}

what does x equal?

Respuesta :

sofiaSMEB22
sofiaSMEB22 sofiaSMEB22
  • 15-04-2019

[tex]\frac{\sqrt{4x+15} }{\sqrt{x} } =3[/tex]

Answer:

3

Step-by-step explanation:

Multiply both sides by x to get rid or the denominator: [tex]\sqrt{4x+15}=3\sqrt{x}[/tex]

Get rid of the square root by squaring both sides:[tex]\left(\sqrt{4x+15}\right)^2=\left(3\sqrt{x}\right)^2[/tex] = 4x + 15 = 9x

Just solve for x.

Hope this helps!!

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