vereinfachen (b/v)^3+(3 b/v)^2+(3 b/v)-1

Lösung

vereinfachen

(\frac{b}{v})^{3} + (3 \frac{b}{v})^{2} + (3 \frac{b}{v}) - 1

\frac{b ^{3}}{v ^{3}} + \frac{9 b ^{2}}{v ^{2}} + \frac{3 b}{v} - 1

Schritte zur Lösung

(\frac{b}{v})^{3} + (3 \cdot \frac{b}{v})^{2} + (3 \cdot \frac{b}{v}) - 1

Apply rule:

(a) = a

(3 \cdot \frac{b}{v}) = 3 \cdot \frac{b}{v}

= (\frac{b}{v})^{3} + (3 \cdot \frac{b}{v})^{2} + 3 \cdot \frac{b}{v} - 1

(\frac{b}{v})^{3} = \frac{b ^{3}}{v ^{3}}

(3 \cdot \frac{b}{v})^{2} = \frac{9 b ^{2}}{v ^{2}}

3 \cdot \frac{b}{v} = \frac{3 b}{v}

= \frac{b ^{3}}{v ^{3}} + \frac{9 b ^{2}}{v ^{2}} + \frac{3 b}{v} - 1

(5 x + 1) (5 x - 2) = 0

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∣ x - 1 ∣ = ∣ 3 x + 2 ∣

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