Question

нужно только 4. 5. и 6

Answer 1

4)64-48+9х =х+2
8х=-14
х=-1, 75
5)2*5^х+5*5^х=7
5^х(2+5)=7
5^х=1
х=0
6)2^4=х^2-4*Х+4
х^2-4*х-12=0
х1=6
х2=-2

Answer 2

64-48х +9х^2=х+2;9х^2-49х+62=0;Д=2401+2232=4633