erweitern (=x^3-7x^2+14x-8)(x)

Lösung

erweitern

(= x^{3} - 7 x^{2} + 14 x - 8) (x)

x = - 6 x^{3} + 14 x^{2} - 8 x

Schritte zur Lösung

(= x^{3} - 7 x^{2} + 14 x - 8) (x)

= (x) (= x^{3} - 7 x^{2} + 14 x - 8)

Setze Klammern

(x) = x^{3} + (x) (- 7 x^{2}) + (x) \cdot 14 x + (x) (- 8)

Wende Minus-Plus Regeln an

+ (- a) = - a

(x) = x^{3} - 7 x^{2} (x) + 14 (x) x - 8 (x)

Vereinfache

(x) = x^{3} - 7 x^{2} (x) + 14 (x) x - 8 (x) : x = - 6 x^{3} + 14 x^{2} - 8 x

x = - 6 x^{3} + 14 x^{2} - 8 x

e x p an d e^{2} x (2 + x)

s im pl i f y (1 + i + t)^{2}

e x p an d 2 (2 x - 3 = x + 2)

e x p an d \frac{2 s ^{3} - 5 s ^{2} + 8 s - 14}{( s ^{2} + 4 ) ( s - 1 ) ( s + 1 )}

e x p an d (sec (θ) + tan (θ)) cos (θ)