fatore por favorrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrr
9x^{2} +12
Soluções para a tarefa
Respondido por
0
Resposta:
69
Explicação passo-a-passo:
9x elevado na 2= 81x
isola o X
X=81-12= 69
acho q seria isso
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