(0,1x-8)²+(0.1x+8)² ПОМОГИТЕ,ПОЖАЛУЙСТА!!1

(0,1x-8)²+(0.1x+8)²= =0.1x²*x²-1.6x+64+0.1²*x²+1.6x+64= =(1/100)x²-1.6x+64+0.1²*x²+1.6x+64= =(1/100)x²+64+(1/100)x²+64= =(x²+x²)/100 +128= =(2x²/100)+128= =(x²/50)+128