a(x)=sqrt(-x+3)

Lösung

a (x) = - x + 3

x = \frac{- 1 + 1 + 12 a ^{2}}{2 a ^{2}} {a < 0 or a > 0}, x = \frac{- 1 - 1 + 12 a ^{2}}{2 a ^{2}}

Schritte zur Lösung

a (x) = - x + 3

Quadriere beide Seiten:

a^{2} x^{2} = - x + 3

a^{2} x^{2} = - x + 3

Löse

a^{2} x^{2} = - x + 3 : x = \frac{- 1 + 1 + 12 a ^{2}}{2 a ^{2}}, x = \frac{- 1 - 1 + 12 a ^{2}}{2 a ^{2}}

x = \frac{- 1 + 1 + 12 a ^{2}}{2 a ^{2}}, x = \frac{- 1 - 1 + 12 a ^{2}}{2 a ^{2}}

Überprüfe die Lösungen:

x = \frac{- 1 + 1 + 12 a ^{2}}{2 a ^{2}} {a < 0 or a > 0}, x = \frac{- 1 - 1 + 12 a ^{2}}{2 a ^{2}}

Wahr

Die Lösungen sind

x = \frac{- 1 + 1 + 12 a ^{2}}{2 a ^{2}} {a < 0 or a > 0}, x = \frac{- 1 - 1 + 12 a ^{2}}{2 a ^{2}}

x + x = 2 x - 12

35 + 7 x + 5 x + 34 = 3

15 - 2 r = r

2 (x - 2) = 7 - 2 x + x - 2

x = 2 x = 9 - 3