Determine o valor numerio da expressão x²-4/x+2 + x²-3x+2/x-1 quando x= 4.... Pergunta de ideia deSkyAlencar

SkyAlencar @SkyAlencar

July 2022 1 81 Report

Determine o valor numerio da expressão x²-4/x+2 + x²-3x+2/x-1 quando x= 4

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topdowns X=4
$\frac{ 4^{2} -4}{4+4} + \frac{ 4^{2} -3x}{4-1}$
$\frac{16-4}{6} + \frac{16-3.4}{3}$
Tira o MMC e o resultado é:
$\frac{10}{3}$

2 votes Thanks 2

SkyAlencar o mmc é 6

SkyAlencar 4² -3(4)+2

topdowns Ihh... nem reparei nesse +2. Desculpa!

SkyAlencar nd consegui arrumar

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