raelove4 raelove4

04-12-2017
Mathematics

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5. Given that side A and side E are of equal length, find a positive value for x. Show all work.

5 Given that side A and side E are of equal length find a positive value for x Show all work class=

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jdoe0001 jdoe0001

04-12-2017

[tex]\bf A=E\implies 3x^2-11~~=~~x+13\implies 3x^2-x-24=0 \\\\\\ (3x+8)(x-3)=0\implies \begin{cases} 3x+8=0\\ 3x=-8\\\\ x=\cfrac{-8}{3}\\ -----\\ x-3=0\\ \boxed{x=3} \end{cases}[/tex]

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