Question

puteți să faceți 2 ex va roggg

Answer 1

c) 9^2x=81^4
(3²)^2x=(3^4)^4
3^4x=3^16
4x=16
x=4
d)
8^3x=64^3
(2³)^3x=(2^6)^3
2^9x=2^18
9x=18
x=2

Answer 2

c) $9^{2x}$=$81^{4}$=$( 9^{2} ) ^{4}$=$9^{8}$,  2x=8,  x=4
d) $8^{3x}$=$64^{3}$=$( 8^{2} ) ^{3}$=$8^{6}$, 3x=6,  x=2