cheykenzie05 cheykenzie05
  • 17-03-2021
  • Mathematics
contestada

anyone know how to do this???? my teacher sucks at explaining how to... -​

anyone know how to do this my teacher sucks at explaining how to class=

Respuesta :

sarah197135 sarah197135
  • 18-03-2021

Answer:

x2-2×2×x

x2-4x

cuz we have this rules

(a+b)2=a×a+2×ab+b×b

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