amaya8777
amaya8777
21-10-2021
Mathematics
contestada
Help finding the missing length
Respuesta :
mbavarasharon7
mbavarasharon7
21-10-2021
Answer:
4x2-6x+6
Step-by-step explanation:
(9x2-2x) +(3x-5)+(m) =13x2-5x+1
(13x2-5x+1)-(9x2+x-5)=m
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