SOLUTION: Show that the equation 2^x+1 + 2^x-1= 160 can be written in the form 2.5 x 2^x=160. Hence find the value of x which satisfies the equation. thanks

SOLUTION: Show that the equation 2^x+1 + 2^x-1= 160 can be written in the form 2.5 x 2^x=160. Hence find the value of x which satisfies the equation. thanks

Algebra.Com

Question 879705: Show that the equation 2^x+1 + 2^x-1= 160 can be written in the form 2.5 x 2^x=160. Hence find the value of x which satisfies the equation.
thanks

Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!

So then,

RELATED QUESTIONS
please help me solve this 1. prove the identity sinx/1-cosx =1/tanx 2. hence solve... (answered by Alan3354)

Given the cubic function g(x)=x^3 + 6x +20. Show that g(x) can be written as... (answered by Theo)

Show that the equation sec x + sqrt3 cosec x = 4 can be written in the form sin x +... (answered by jsmallt9)

a) If x^2 + y^2 + 4x -2y +1=, show that (x+2)^2 + (y-1)^2 =4 b) x^2 + y^2 - 6x - 8y... (answered by MathLover1)

x^2+6x+160 (answered by jim_thompson5910)

ABCD is a trapezium in which AB is parallel to DC and ABC=90 (a)Given that AB=(2x-1)cm... (answered by josgarithmetic)

given f =x-4 and g=x^2+3 , show that gf(x) = x^2- 8x + 19 hence find the values of x for (answered by ramkikk66)

When the quadratic equation y = (x − 2)(3x + 1) is written in standard form, what... (answered by solver91311,Shana-D77)

The equation of the line that goes through the point ( 9 ,1 ) and is parallel to the... (answered by Fombitz)