olga1982 olga1982
  • 19-11-2020
  • Mathematics
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How to solve the problem

How to solve the problem class=

Respuesta :

Amarokwolf
Amarokwolf Amarokwolf
  • 19-11-2020

Answer:

x=5

Step-by-step explanation:

∠D=∠E (angles opposite to equal sides are equal)

So, [tex]x^{2}[/tex]=3x+10

    10=[tex]x^{2}[/tex]-3x

    10=x(x-3)

we know 5×2= 10 & 5-3=2,

So, 10=5×(5-3)

      10=5×2

∴x=5

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