(5x-3)^2+(12x+5)^2 -(7-13x)^2+34x^2-17x-410

Question

(5x-3)^2+(12x+5)^2 -(7-13x)^2+34x^2-17x-410

Answer 1

10x-6x+24x-10x-7x+26x+68x-17x-410=
=24x-10x-7x+20x+68x-17x-410=
=27x+68x-17x-410=
=96x-17x-410=
=79x-410
Если это уравнение,то
79x=410
x=410/79