Решение квадратных уравнений № 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 1 х + 5х=0 х2- 4=0 2х2+3х - 5=0 2х2 - 3=0 х2+ 3х+2=0 х2+ х - 6=0 х2+4х+4=0 3х2+5х - 2=0 3х2+8х - 3=0 6а2- 8а+2=0 х2+10х =0 -х2+ 9=0 25х2- 42х+17=0 - х2+3=0 2х2+х -1=0 х2-х - 6=0 4х2- 4х+1=0 5х 2- 9х - 2=0 9х2+16х - 4=0 6а2-2а+14=0 2 2 2х +х+67=0 4х + х2=0 3х2-27=0 5х2-3х - 2=0 в2 - 3=0 х2+6х+5=0 х2+6х+8=0 9 - 6х +х2=0 12в2+2в - 2=0 3y2+4y - 4=0 6х2+ 3х+4=0 7y2 - 14y=0 25 - х2=0 17х2+16х-33=0 7х2 + 4=0 4х2+5х+1=0 х2+2х - 3=0 25х2+20х+4=0 9х2- 39х+12=0 12х2-16х-3=0 2 3 8а -14а+5=0 4х2- 2х+3=0 х2+ 2х=0 7х2- 28=0 3х2- 5х+2=0 6х2-12=0 3a2+ 5a+2=0 3х2- 24x+45=0 4х +4х2+1=0 3х2+7х- 6=0 5х2- 22х -15=0 3х2- 10х+9=0 х2- 2х=0 121 - х2=0 3х - 6+3х2=0 х2-21=0 3х2- 4х - 7=0 2х2- 4х - 30=0 49х2+14х+1=0 2х2+3х-2=0 2 4 2х -7х+3=0 12х2+16х - 3=0 21х2-5х+1=0 х2- 3х=0 2х2- 72=0 8х2- 5х - 3=0 16 - 8a2=0 2a2+3a+1=0 х2+3х-18=0 9х2+12х+4=0 2х2+7х+3=0 15х2-16х+4=0 7х2- 4х+3=0 2y - 5y2=0 5х2-20=0 2х2- х -1=0 44 - 4c2=0 7х +3+4х2=0 х2- 9х+18=0 16х2-24х+9=0 2 5 1+8х+16х2=0 2х 2- 9х+4=0 5a2+26a - 24=0 7х2-2х+12=0 3х2 - 5х=0 72 - 2d2=0 5х2-7х+2=0 6 - 2х2=0 5t2+7t+2=0 х2+2х - 35=0 10х+ 25+х2=0 6х2-5х+1=0 5х2- 8х- 4=0 3х2- 6х+4=0 3y+2y2=0 288 - 2a2=0 8х2+ х - 9=0 -2d2 + 4=0 2 -3х -5х2=0 х2-2х-35=0 Решение квадратных уравнений № 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 6 х - 3х -18=0 9х2-24х+16=0 3х2-13х +14=0 5в2-16в+3=0 6х2+3х+15=0 х2-7х =0 25+х2=0 2х2-5х + 3=0 3х2- 21=0 1+6х2+7х =0 х2+9х+18=0 9х2+16 -24x=0 3х2+11х -4=0 7х2+20x -3=0 -6a2+8a -10=0 x - 11х2=0 х2-0,04=0 3a2+a - 4=0 15 - х2=0 2x2-7x-9=0 2 7 2 7a + 4a - 3=0 х2-3х -40=0 4х2-28х+49=0 4y2-18y+20=0 3a2-16a+5=0 4х2-3х+10=0 2х2-6х=0 25-100х2=0 3х2+12х-15=0 3х2-1=0 7х2+9х+2=0 х2+3х - 40=0 4х2+28х+49=0 9х2-21x+6=0 3х2- 8 +10х=0 5х2-10х+14=0 5x - х2=0 169 - х2=0 5 - 3a2-2a=0 3х2+1=0 8 2 4х +9=0 11х2+18х+7=0 3х2-21х+36=0 25+х2+10х=0 2х2- х- 21=0 3y2- 8y+4=0 8+6х2-х=0 3x - х2=0 4 - 36a2=0 2х2+ х - 3=0 24 - х2=0 х2- 3х - 4=0 2в2-14в+20=0 х2+ 8х +16=0 4х2-11х-3=0 8х2-26х-7=0 9х2-3х+1=0 18х2-9х=0 6х2-6=0 2c-5c2+3=0 9 2 8х - 3х -5=0 15в2 - 12 =0 2х2- 3 - х =0 х2+5х -14=0 9-12х +4х2=0 14х2-5х -1=0 7х2 - 26х-8=0 12+3х2+2х=0 2х2-16х=0 х2 +144=0 4d2 - 3 - d=0 9х2-27=0 2х -7х2+9=0 х2-5х-14=0 9+4a2-12a=0 2х2-9х-5=0 4х2-16х-9=0 3+4х2-х=0 х2+х=0 8 - 2c2=0 10 2 4 - 4х =0 16х2+22х-38=0 х2+36=0 х2+5х+4=0 х2- х - 30=0 16 - 8x+х2=0 5х2+2 -11х=0 5х2-26х+5=0 10х2+3х+5=0 7x + х2=0 16 - 64t2=0 5 - 8x+3х2=0 -15 - х2=0 5х2+х - 4=0 х2+х-30=0 4+9х2-12х=0 10y2-9y+2=0 5х2-16х+12=0 5х2+х+1=0 2х - 4 х2=0