Question

Hasil dari 3(x-2) + (x-1)^2 adalah?

a. 4x-7
b. 3x-6
c. x^2+x+5
d. x^2+x-5

Answer 1

3(x-2) + (x-1)^2 =3x -6 +x^2 -x -x + 1 =3x -6 + x^2 -2x +1 =X^2 + 3x -2x -6 +1 =X^2 + x - 5