Question

(2+a)x2-bx+(c-1)=3x2-2x+2; os valores abc sao respectivamente iguai a:

Answer 1

(2+a)x2-bx+(c-1)=3x2-2x+2

2+a = 3 ==. a = 3 - 2 ==> a = 1 

-b = - 2(-1) ==> b = 2

c-1 = 2 ==> c = 2 + 1 ==. c = 3