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Beliebt Algebra >

completesquare x^2+6x+5

Lösung

vervollständige das quadrat

x^{2} + 6 x + 5

Lösung

(x + 3)^{2} - 4

Schritte zur Lösung

x^{2} + 6 x + 5

Schreibe

x^{2} + 6 x + 5

in dieser Form:

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

2 a = 6 : a = 3

Addiere und subtrahiere

3^{2}

x^{2} + 6 x + 5 + 3^{2} - 3^{2}

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

x^{2} + 6 x + 3^{2} = (x + 3)^{2}

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

Vereinfache

(x + 3)^{2} - 4

Graph

Beliebte Beispiele

completesquare x^2+6x+8=0

co m pl e t es q u a re x^{2} + 6 x + 8 = 0

solvefor x,(x+y)^3=x^3+y^3

so l v e f or x, (x + y)^{3} = x^{3} + y^{3}

6 x^{2} + 125 = x^{2}

2 d^{2} + 5 d - 5 = - d

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

(x + 1) (x - 2) + x^{2} = 0