Question

решите неравенство $4^{x+2} -13* 4^{x} textgreater 12$

Answer 1

16*4^x - 13*4^x > 12
4^x * (16 - 13) > 12
4^x * 3 > 12
4^x > 4 
x > 1

x ∈ (1;  +∞)