Posted by sandy on Saturday, December 1, 2012 at 6:00pm.
log5 [(2x-9)(x+2)] = 1
(2x-9)(x+2) = 5^1 = 5
2 x^2 -5 x -18 = 5
2 x^2 - 5 x - 23 = 0
x = [ 5 +/- sqrt (25+184 ] /4
= [ 5 +/- 14.5 ] /4
= 19.5/4 or -9.46/4
= 4.86 or -2.36
Related Questions
Algebra - will you please show me step by step in solving: 1/2 log b + 3 log c. ...
Algebra 2 - how do not understand how to do this Log X + Lob (X-3) = 1 I know I ...
Log help - If a^3 + 3ab(a+b+3)+b^3 = 10ab, show that log (a+b)=1/3(log a + log b...
Algebra 2 - Can you please explain step by step on how to do this problem? ...
Algebra 2 - Can you please explain step by step on how to do this problem? ...
MATH-ALGEBRA - What's the slope-intercept equation of line which is parallel...
math - write as a single logarithm: -2logbase3(1/x)+(1/3)logbase3(square root of...
Math33333 - Please help me! Problem: x+2 x-3 _________ - _________ 2x^2+5x+2 2x^...
physics - A log is floating on swiftly moving water. A stone is dropped from ...
math - Logarithm!!! Select all of the following that are true statements: (a) ...
For Further Reading
