3x2-3x 9x-9 x2-10x+25 4x-20 ( ) x2+6x+8 3x2-48 ( ) 2x2-x-6 3x-6 ( ) 2x4 x4/2 x5/2x x6/2 3x5 6x 12b 5 • 10b 6b2 4 4/b 6 4/b2 3x+15 6x-12 2(x+3) 2x+2 x-2 x • x2+6x+5 2(x+1) 3(2x-1)(x+1) x2-4 (x-2)(x+2) x+2 2x2-5x-3 x2-7x+12 x+1 1 x+1 ÷ x2+x x 2x+1 2x+1 x2-3x-4 x2+x (8x2+6x) ÷ 2x2 4+3x 6 + 3 x 4 + 3 4x+3 x (9x4+6x3-3x2) ÷ 3x2 3x2+2x-1 3x2+2x 6x2+2x 3x2+2 |