de

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Beliebt Algebra >

completesquare x^2+5x-2

Lösung

vervollständige das quadrat

x^{2} + 5 x - 2

Lösung

(x + \frac{5}{2})^{2} - \frac{33}{4}

Schritte zur Lösung

x^{2} + 5 x - 2

Schreibe

x^{2} + 5 x - 2

in dieser Form:

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

2 a = 5 : a = \frac{5}{2}

Addiere und subtrahiere

(\frac{5}{2})^{2}

x^{2} + 5 x - 2 + (\frac{5}{2})^{2} - (\frac{5}{2})^{2}

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

x^{2} + 5 x + (\frac{5}{2})^{2} = (x + \frac{5}{2})^{2}

(x + \frac{5}{2})^{2} - 2 - (\frac{5}{2})^{2}

Vereinfache

(x + \frac{5}{2})^{2} - \frac{33}{4}

Graph

Beliebte Beispiele

solvefor x,x^2+2qx+2q+8=0

so l v e f or x, x^{2} + 2 q x + 2 q + 8 = 0

x^{2} - 2 x + 36 = 0

faktorisieren 4x^2=4x-1

f a c t or 4 x^{2} = 4 x - 1

(2x+3)(x-4)+(2x+3)(x-6)=0

(2 x + 3) (x - 4) + (2 x + 3) (x - 6) = 0

6 x^{2} - 29 x = 0