Faktor kan x²-81=0 beserta cara By Admin ReiPosted on December 9, 2022 Faktor kan x²-81=0 beserta cara x²- 81=0(x-9)(x+9) = 0 X^2 – 81 = 0 9 × 9 = 81 =(x+9) (x-9) x 1 = 9x 2 = -9