y=(x-1)(x+3) y=(x-1)2-4 y=x2-2x+3 y=x2-2x-3 y=(x+1)2-3 y=(x+1)2-4 y=x2+2x+3x y=(x+1)(x-3) y=x(x+4) y=(x-2)2-4 y=x2-4x (x-4)x y=(x+2)2-4 y=x2+4 y=x2+4x y=x2-4 y=-8x2 y=8x2-2x y=x2-8 y=-2(x+2)(x-2) y=-(x+8)2-2 y=2x2+8 y=-2(x2-4) y=-2x2-4 y=-(x+3)2 y=-9(x-3)2 y=-9x2-3 y=x2+6x+9 y=-x2-6x-9 y=-(x-3)2 y=-(x-3)2-9 y=-(x2+6x+9) y=x2-1 y=(x-1)2 y=(x+1)(x-1) y=x2+x+1 y=x2-x-1 y=(x+1)2 y=x2+1 y=x2+x-1 y=x2+10x+16 y=(x-2)(x-8) y=x2-10x+16 y=(x+5)2-9 y=x2-10x-16 y=(x+2)(x+8) y=(x-5)2-9 y=(x-5)2+9 y=(x+5)(x-1) y=2(x-5)(x+1) y=-2x2-8x+10 y=-2(x+2)2+18 y=-2(x+5)(x-1) y=-2x2+8x+10 y=-(x-2)2+18 y=-x2+6x+10 y=(x+18)(x+4) y=(x+18)(x-4) y=(x-4)2+2 y=(x-2)2+18 y=x2-4x+18 y=x2+4x+18 y=x2+8x+18 y=(x+4)2+2 y=3x2+12 y=x2-6x+12 y=3(x+2)2 y=3x2+12x+12 y=3(x-2)2 y=x2+12x+12 y=(x+2)2 y=x2+6x+12 y=-x2+8x-12 y=(x-2)(x-6) y=-x2-8x-12 y=(x-4)2-4 y=-(x-4)2+4 y=(x+2)(x+6) y=(x-5)2-9 y=-(x-2)(x-6) |