(4х-3)*(4х+3)-(4х-1)в квадрате=3х

Question

(4х-3)*(4х+3)-(4х-1)в квадрате=3х

Answer 1

(4х-3)*(4х+3)-(4х-1)^2=3x

16x^2-9-(16x^2-8x+1)=3x

16x^2-9-16x^2+8x-1-3x=0

5x-10=0

5x=10

x=2

Answer 2

(4х-3)*(4х+3)-(4х-1)²=3х

(16х²-9)-(16х²-8х+1=3х

16х²-9-16х²+8х-1=3х

8х-3х=9+1

5х=10

х=10:5

х=2

Ответ:2