11)x^2-9x+8=0答案:x1=8×2=1(2)x^2+6x-27=0答案:x1=3×2=-9(3)x^2-2x-80=0答案:x1=-8×2=10(4)x^2+10x-200=0答案:x1=-20×2=10(5)x^2-20x+96=0答案:x1=12×2=8(6)x^2+23x+76=0答案:x1=-19×2=-4(7)x^2-25x+154=0答案:x1=14×2=11(8)x^2-12x-108=0答案:x1=-6×2=18(9)x^2+4x-252=0答案:x1=14×2=-18(10)x^2-11x-102=0答案:x1=17×2=-6(11)x^2+15x-54=0答案:x1=-18×2=3(12)x^2+11x+18=0答案:x1=-2×2=-9(13)x^2-9x+20=0答案:x1=4×2=5(14)x^2+19x+90=0答案:x1=-10×2=-9(15)x^2-25x+156=0答案:x1=13×2=12(16)x^2-22x+57=0答案:x1=3×2=19(17)x^2-5x-176=0答案:x1=16×2=-11(18)x^2-26x+133=0答案:x1=7×2=19(19)x^2+10x-11=0答案:x1=-11×2=1(20)x^2-3x-304=0答案:x1=-16×2=19(21)x^2+13x-140=0答案:x1=7×2=-20(22)x^2+13x-48=0答案:x1=3×2=-16(23)x^2+5x-176=0答案:x1=-16×2=11(24)x^2+28x+171=0答案:x1=-9×2=-19(25)x^2+14x+45=0答案:x1=-9×2=-5(26)x^2-9x-136=0答案:x1=-8×2=17(27)x^2-15x-76=0答案:x1=19×2=-4(28)x^2+23x+126=0答案:x1=-9×2=-14(29)x^2+9x-70=0答案:x1=-14×2=5(30)x^2-1x-56=0答案:x1=8×2=-7(31)x^2+7x-60=0答案:x1=5×2=-12(32)x^2+10x-39=0答案:x1=-13×2=3(33)x^2+19x+34=0答案:x1=-17×2=-2(34)x^2-6x-160=0答案:x1=16×2=-10(35)x^2-6x-55=0答案:x1=11×2=-5(36)x^2-7x-144=0答案:x1=-9×2=16(37)x^2+20x+51=0答案:x1=-3×2=-17(38)x^2-9x+14=0答案:x1=2×2=7(39)x^2-29x+208=0答案:x1=16×2=13(40)x^2+19x-20=0答案:x1=-20×2=1(41)x^2-13x-48=0答案:x1=16×2=-3(42)x^2+10x+24=0答案:x1=-6×2=-4(43)x^2+28x+180=0答案:x1=-10×2=-18(44)x^2-8x-209=0答案:x1=-11×2=19(45)x^2+23x+90=0答案:x1=-18×2=-5(46)x^2+7x+6=0答案:x1=-6×2=-1(47)x^2+16x+28=0答案:x1=-14×2=-2(48)x^2+5x-50=0答案:x1=-10×2=5(49)x^2+13x-14=0答案:x1=1×2=-14(50)x^2-23x+102=0答案:x1=17×2=6(51)x^2+5x-176=0答案:x1=-16×2=11(52)x^2-8x-20=0答案:x1=-2×2=10(53)x^2-16x+39=0答案:x1=3×2=13(54)x^2+32x+240=0答案:x1=-20×2=-12(55)x^2+34x+288=0答案:x1=-18×2=-16(56)x^2+22x+105=0答案:x1=-7×2=-15(57)x^2+19x-20=0答案:x1=-20×2=1(58)x^2-7x+6=0答案:x1=6×2=1(59)x^2+4x-221=0答案:x1=13×2=-17(60)x^2+6x-91=0答案:x1=-13×2=7。
以上就是【九年级一元二次方程题及答案,九年级一元二次方程题】相关内容。