briqueen
briqueen
15-04-2016
Mathematics
contestada
Equivalent to log3(x+4)
Respuesta :
Аноним
Аноним
15-04-2016
log3(x-2)+log3(x+4)=3
log3[(x-2)(x+4)]=3
(x-2)(x+4)=3^3
x^2+4x-2x-8 = 9
x^2+2x-8 = 9
x^2+2x-17 = 0
.
Since we can't factor, we must use the quadratic equation.
Do so will yield:
x = {3.243, -5.243} This is all I know of...
Answer Link
VER TODAS LAS RESPUESTAS ( 37+ )
Otras preguntas
Jean did 17 sit-ups on Monday, 19 sit-ups on Tuesday,and 22 sit-ups on Wednesday.If she continued at this rate, how many sit-ups would she do on Sunday?
AREAS AND VOLUMES OF SIMILAR SOLIDS URGENT?
What Is Three To The Power Of Eight ?
There are two jobs you can apply for. The first job pays $22,000 the first year, with raises of $4,000 each year thereafter. The second job pays $26,000 the fir
Combining like terms Simplify each expression
What Is Three To The Power Of Eight ?
S is the midpoint of RT, and RS = 14. Find RT
describe Georgia's location
Thomas Malthus proposed a list of preventive and positive measures in order to control population growth. Which of the following would Malthus call a positive c
More points!! Please answer all questions
