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Mathematics 8 Online
OpenStudy (anonymous):

could you guys check this for me i dont know if i got it right?? 2^2x + 2^x – 12 = 0

OpenStudy (anonymous):

What was your answer?

OpenStudy (anonymous):

i got x=-3 and x=2 thsi equation is from Solving Exponential and Logarithmic Equations

OpenStudy (klimenkov):

Use substitution \(u=2^x\).

OpenStudy (anonymous):

oh ok

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