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Beliebt Algebra >

log_{2}(x^2-15x)=3

Lösung

lo g_{2} (x^{2} - 15 x) = 3

Lösung

x = \frac{15 + 257}{2}, x = \frac{15 - 257}{2}

+1

Dezimale

x = 15.51560 \dots, x = - 0.51560 \dots

Schritte zur Lösung

lo g_{2} (x^{2} - 15 x) = 3

Wende die log Regel an

x^{2} - 15 x = 8

Löse

x^{2} - 15 x = 8 : x = \frac{15 + 257}{2}, x = \frac{15 - 257}{2}

x = \frac{15 + 257}{2}, x = \frac{15 - 257}{2}

Graph

Beliebte Beispiele

2-log_{10}(2+x)=0

2 - lo g_{10} (2 + x) = 0

ln(x+4)-ln(x)=3

ln (x + 4) - ln (x) = 3

-1.25ln(10-0.8x)+1.4539=3

- 1.25 ln (10 - 0.8 x) + 1.4539 = 3

ln(8w-6)=ln(6w)

ln (8 w - 6) = ln (6 w)

0=20log_{10}(3x)

0 = 20 lo g_{10} (3 x)