Respuesta :

Answer:

Area=6[tex]x^{2}[/tex]+5x-1

Step-by-step explanation:

A=lW

A=(2x-1)(3x+1)

A=2x(3x+1)-1(3x+1)

A=6[tex]x^{2}[/tex]+2x-3x-1

A=6[tex]x^{2}[/tex]+5x-1

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