(2x-3)²+(3-4x)•(x+5)=82

Question

(2x-3)²+(3-4x)•(x+5)=82

Answer 1

4x²-12x+9+3х+15-4х²-20х=82;
-12х+3х-20х+9+15=82;
-29х+24=82;
82-24=-29х;
58=-29х;
х=-2

Answer 2

4x^2-12x+9+3x+15-4x^2-20x=82
-29x+24=82
-29x=58
x=-2