Question

(3x+5)(2x+1)=(6x+5)(x-3)+4
Помогите решить

Answer 1

$(3x+5)(2x+1)=(6x+5)(x-3)+4$

$6x^2 + 3x + 10x + 5 = 6x^2 - 18x + 5x - 15 +4 \ 13x + 5 = - 13x - 11\ 13x+13x=-5-11\ 26x=-16\ x=-frac{16}{26} \ x=-frac{8}{13}$