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Beliebt Algebra >

|2x^2-4|=|x^2|

Lösung

2 x^{2} - 4 = x^{2}

Lösung

x = - 2 or x = - \frac{2}{3} or x = \frac{2}{3} or x = 2

+1

Dezimale

x = - 2, x = - 1.15470 \dots, x = 1.15470 \dots, x = 2

Schritte zur Lösung

2 x^{2} - 4 = x^{2}

Finde positive und negative Intervalle

x \leq - 2, - 2 < x < 2, x \geq 2

Löse die Ungleichung für jedes Intervall

x = - 2 or (x = - \frac{2}{3} or x = \frac{2}{3}) or x = 2

x = - 2 or x = - \frac{2}{3} or x = \frac{2}{3} or x = 2

Graph

Beliebte Beispiele

|a|=2,|b|=3,|3a+b|=7

∣ a ∣ = 2, ∣ b ∣ = 3, ∣ 3 a + b ∣ = 7

|x+5/6 |=| 1/5-2/3 |+((-3))/4

x + \frac{5}{6} = \frac{1}{5} - \frac{2}{3} + \frac{( - 3 )}{4}

∣ 2 x - 1 ∣ = 3 - 2 x

|x-1|+|x-2|+|x-3|=4

∣ x - 1 ∣ + ∣ x - 2 ∣ + ∣ x - 3 ∣ = 4

[x^{2} - 2] = 4