♡.﹀﹀﹀﹀﹀﹀﹀﹀﹀.♡
5x ^ 2 + 60x + 55 = 5x ^ 2 + 60x + 5
5x ^ 2 + 60x + 55−5x ^ 2 = 5x ^ 2 + 60x + 5−5x ^ 2
60х + 55 = 60х + 5
60x + 55−60x = 60x + 5−60x
55 = 5
55-55 = 5-55
= -50
♡.﹀﹀﹀﹀﹀﹀﹀﹀﹀.♡
5x ^ 2 + 60x + 55 = 5x ^ 2 + 60x + 5
5x ^ 2 + 60x + 55−5x ^ 2 = 5x ^ 2 + 60x + 5−5x ^ 2
60х + 55 = 60х + 5
60x + 55−60x = 60x + 5−60x
55 = 5
55-55 = 5-55
= -50
♡.﹀﹀﹀﹀﹀﹀﹀﹀﹀.♡