Question

Nilai a-b adalah jika (-3x-2) (3×-2) =ax^+bx+4

Answer 1

(-3×-2)(3×-2) = ax^+bx+c = -9×^ + 6× + 6× + 4 = -9×^ + 12× + 4 A = -9 B = 12 a-b = -9-12 = -21