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Beliebt Algebra >

completesquare s^2+2s+4

Lösung

vervollständige das quadrat

s^{2} + 2 s + 4

Lösung

(s + 1)^{2} + 3

Schritte zur Lösung

s^{2} + 2 s + 4

Schreibe

s^{2} + 2 s + 4

in dieser Form:

x^{2} + 2 a x + a^{2}

2 a = 2 : a = 1

Addiere und subtrahiere

1^{2}

s^{2} + 2 s + 4 + 1^{2} - 1^{2}

x^{2} + 2 a x + a^{2} = (x + a)^{2}

s^{2} + 2 s + 1^{2} = (s + 1)^{2}

(s + 1)^{2} + 4 - 1^{2}

Vereinfache

(s + 1)^{2} + 3

Graph

Beliebte Beispiele

5 x^{2} + 4 x - 12 = 0

0.9x^2-1.9x+1=0

0.9 x^{2} - 1.9 x + 1 = 0

(2x-1)(3x-2)-5(x-2)(x+2)=2(x-3)^2-2

(2 x - 1) (3 x - 2) - 5 (x - 2) (x + 2) = 2 (x - 3)^{2} - 2

r^2-2r-4=2r^2+8

r^{2} - 2 r - 4 = 2 r^{2} + 8

r^{2} + 10 r + 16 = 0