\(3^2\left(x+4\right)-5^2=5\cdot2^2\)
\(9\left(x+4\right)-25=20\)
\(9\left(x+4\right)=20+25< =>9\left(x+4\right)=45< =>x+4=45:9< =>x+4=5< =>x=5-4< =>x=1\)
\(3^2.\left(x+4\right)-5^2=5.2^2< =>3^2.\left(x+4\right)-5^2=20< =>3^2.\left(x+4\right)=20+5^2< =>3^2.\left(x+4\right)=45< =>x+4=45:3^2< =>x+4=5< =>x=5-4< =>x=1\)
32(x+4)−52=5⋅2232(x+4)−52=5⋅22
9(x+4)−25=209(x+4)−25=20
9(x+4)=20+25<=>9(x+4)=45<=>x+4=45:9<=>x+4=5<=>x=5−4<=>x=1