Question

 2^{x+5} - 2^{x+4} - 2^{x+3} - 2^{x+2} - 2^{x+1} - 2^{x}

Answer 1

=2^x*2^5-2^4*2^4-2^x*2^3-2^x*2^2*2^x*2-2^x
=2^x(2^5-2^4-2^3-2^2-2-1)
=2^x(32-16-8-4-2-1)
=2^x * 1
=2^x

Answer 2

2^x.2^5-2^x.2^4-2^x.2^3-2^x.2-2^x.2-2^x=2^x(32-16-8-4-2-1)=2^x.1=
2^x