<img src="https://tex.z-dn.net/?f=%5Csqrt%7B4x%2B15%7D%20-3%5Csqrt%7Bx%7D%20%3D0" id="TexFormula1" title="\sqrt{4x+15} -3\sqrt{x

Lesechka [4]

3 years ago

} =0" alt="\sqrt{4x+15} -3\sqrt{x} =0" align="absmiddle" class="latex-formula">

Mathematics

1 answer:

Evgesh-ka [11]3 years ago

7 0

$\sqrt{4x+15}-3\sqrt{x}=0 \\\sqrt{4x+15}=3\sqrt{x} \\4x+15=9x \\-5x=-15 \\x=\boxed{3}$

Hope this helps.

r3t40

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