Question

(х-5)(х+5)=(х-4)^2-7

помогите ришить уравнение

Answer 1

x²-25=x²-8x+16-7
x²-x²+8x=9+25
8x=34
x=34:8
x=4 1/4

Answer 2

сенк

Answer 3

(х-5)(х+5)=(х-4)^2-7
x^2-25=x^2-8x+16-7
x^2-25=x^2-8x+9
-25=-8x+9
8x=9+25
8x=34
x=34:8
x=4,25