PROBLEM SOLVING - tempat bertanya PR Kaskuser (SD, SMP, SMA) - Part 3
y^2 + 3y = 8/(y^2+3y-2) sumpah.. tolong mastah.. :sorry Coba ya, misalkan : y^2 + 3y = a shg pers. berubah menjadi : a = 8/(a-2) a(a - 2) = 8 a^2 - 2a - 8 = 0 (a - 4)(a + 2) =0 a = 4 V a = -2 a = 4 y^2 + 3y = 4 y^2 + 3y - 4 = 0 (y + 4)(y - 1) = 0 y = -4 V y = 1 a = -2 y^2 + 3y = -2 y^2 + 3y + 2