SOAL LATIHAN Bentuk sederhana dari \((3x )^2 - (3x - 4)^2 = \dotso\) (A) \(9x^2 - 16x + 16\) (B) \(6x^2 + 24x + 16\) (C) \(4(4 - 6x)\) (D) \(8(3x - 2)\) (E) \(16\) Soal 01 KEMAMPUAN DASAR SBMPTN 2007 Diberikan persamaan \(\dfrac {x - 2}{3} + \dfrac {y + 1}{6} = 2\) dan \(\dfrac {x + 3}{4} + \dfrac {2y - 1}{2} = 1 \), maka nilai \( \dfrac {1}{x + y} = \dotso\) (A) \(\dfrac 18\) (B) \(\dfrac 19\) (C) \(\dfrac {3}{25}\) (D) \(\dfrac {7}{48}\) (E) \(\dfrac […]