Question

solve the following equations for x :
(1) 2^2x+1=17.2^x-2^3​

Answer 1

Answer:

there are no roots of the equation.

Step-by-step explanation:

By solving the given equation we get,

          2^2x-17.2^x+10=0

          2^x=17+(or)-17/2=17(or)0

17,0 cannot be the roots of the equation.

Answer 2

Answer:

7

Step-by-step explanation:

2^2x+1=17.2^x+2^3

We move all terms to the left:

2^2x+1-(17.2^x+2^3)=0

We get rid of parentheses

2^2x-17.2^x+1-2^3=0

We add all the numbers together, and all the variables

2^2x-17.2^x-7=0

We move all terms containing x to the left, all other terms to the right

2^2x-17.2^x = 7 Ans.

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