-4x^4 - 15x^2 + 1 - 19/x^2 is your answer
Hope I helped :)
Answer:
Step-by-step explanation:
Poste uma foto do problema plss
Answer:
a=-6
Step-by-step explanation:
2(3-a)=18
3-a=18/2
3-a=9
a=3-9
a=-6
it had to be b cuz now all quadrilateral have straight sides
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