Respuesta:
a) x=2
b) x=25
c) x=3
d) x=17
e) x=5
Explicación paso a paso:
[tex]\mathbf{Hola!}[/tex]
===================================================
[tex]\mathbf{a)2x^3+1=17}\\\\\mathbf{8x=17-1}\\\\\mathbf{x=\frac{16}{8} }\\\\\mathbf{x=2}[/tex]
=====================================================
[tex]\mathbf{b)3.\sqrt{x}+4=19 }\\\\\mathbf{3\sqrt{x} =15}\\\\\mathbf{9x=225}\\\\\mathbf{x=\frac{225}{9} }\\\\\mathbf{x=25}[/tex]
======================================================
[tex]\mathbf{c)(2x+3)^2=81}\\\\\mathbf{8x+9=81}\\\\\mathbf{8x=81-9}\\\\\mathbf{x=\frac{72}{8} }\\\\\mathbf{x=9}[/tex]
[tex]\mathbf{d)\sqrt{5x-4}=9 }\\\\\mathbf{5x-4=81}\\\\\mathbf{5x=85}\\\\\mathbf{x=\frac{85}{5} }\\\\\mathbf{x=17}[/tex]
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La E y F NOSE
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Verified answer
Respuesta:
a) x=2
b) x=25
c) x=3
d) x=17
e) x=5
Explicación paso a paso:
Respuesta:
[tex]\mathbf{Hola!}[/tex]
===================================================
[tex]\mathbf{a)2x^3+1=17}\\\\\mathbf{8x=17-1}\\\\\mathbf{x=\frac{16}{8} }\\\\\mathbf{x=2}[/tex]
=====================================================
[tex]\mathbf{b)3.\sqrt{x}+4=19 }\\\\\mathbf{3\sqrt{x} =15}\\\\\mathbf{9x=225}\\\\\mathbf{x=\frac{225}{9} }\\\\\mathbf{x=25}[/tex]
======================================================
[tex]\mathbf{c)(2x+3)^2=81}\\\\\mathbf{8x+9=81}\\\\\mathbf{8x=81-9}\\\\\mathbf{x=\frac{72}{8} }\\\\\mathbf{x=9}[/tex]
======================================================
[tex]\mathbf{d)\sqrt{5x-4}=9 }\\\\\mathbf{5x-4=81}\\\\\mathbf{5x=85}\\\\\mathbf{x=\frac{85}{5} }\\\\\mathbf{x=17}[/tex]
=======================================================
La E y F NOSE