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alexdallas
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Factor the expression 2^x-2 (2^2 - 1)=3. 2^13, 2^x-2 .(3)= (3).2^13, x-2=13, x=15alexdallas wrote:anyone can help with this one?
thank you
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If 2^x.....- 3(2^13), what is the value of x?
Source: Beat The GMAT — Data Sufficiency |
tks..couldnt really follow all of your notes, but you're right, we need to factor here, and then it worked out.
tks.
tks.
