Question

Сократите дробь
a) 8b+24/ b²-9
b) 5x-2/ 3 =2-10x/9 + 2

Answer 1

Ответ:

1)8(b-3)/(b-3)(b+3)=8/b+3

2)5x-2/3 - 2-10x/11 =11(5x-2)/33 - 3(2-10x)/33=55x-22-6+90x /33=145x-28/33