2(x-2)(x+2)=(x+4)(x-4)+(x-3)(x+3)+x

Question

2(x-2)(x+2)=(x+4)(x-4)+(x-3)(x+3)+x

Answer 1

2(x²-4)=(x²-16)+(x²-9)+x
2x²-8=2x²-21+x
2x²-2x²-x=-21+8
-x=-13
x=13