Me ajudem 8x2=9x, 3x2-x2=0, 3x2-8x=0.... Pergunta de ideia deGustavo21mbs

November 2019 1 12 Report

Me ajudem 8x2=9x, 3x2-x2=0, 3x2-8x=0

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guilhermef15 Olá,

8x²=9x
8x² - 9x = 0

x(8x - 9)=0
x¹=0
8x - 9 = 0
8x=9
x²=9/8.

3x²-2x=0
x(3x - 2)=0
x¹=0
3x-2=0
3x=2
x²=2/3

3x²-8x=0
x(3x-8)=0
x¹=0
3x-8=0
3x=8
x=8/3

Espero ter ajudado!

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