divgayamittal3 divgayamittal3
  • 29-09-2020
  • Mathematics
contestada

someone pleaseeeeeeee helpppppp me pleaseee​

someone pleaseeeeeeee helpppppp me pleaseee class=

Respuesta :

swan85 swan85
  • 29-09-2020

Answer:

Step-by-step explanation:

20: is a drawing with compasses and rular

18e³f+45e²f^4 ( take 9 as a common factor, e² and f)

9e²f(2e+5f^3)

x²-4x-12 ( factorize)

(x-6)(x+2)=0

either : x-6=0

then x=6

or x+2=0

then x=2

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