(Х+5)(Х-5)-(Х+3)Х=Х+1

Question

(Х+5)(Х-5)-(Х+3)Х=Х+1

Answer 1

X^2-25-(x+3)x-x-1=0
X^2-25-(x^2-3x)-x-1=0
x^2-25-x^2-3x-x-1=0
-25-3x-x-1=0
-25-4x-1=0

-26-4x=0

Answer 2

(-3+x)+(-x-5+a)=-3+x-x-5+a=-3-5+x-x+a=a-8