Test: Quadratic Equations II - Ambitious

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Question 1:   Solve : (x5)(x+7)=0
{ x 1 =2 1 2 x 2 =3 1 2
{ x 1 =5 x 2 =7
{ x 1 =5 x 2 =7
{ x 1 =2 x 2 =3
Question 2:   Solve: 3(x+ 1 2 )(x1)=0
{ x 1 = 2 5 x 2 =1
{ x 1 =1 x 2 =2
{ x 1 =3 x 2 = 1 3
{ x 1 = 1 2 x 2 =1
Question 3:   Solve: x 2 +3x+3=0
x=2
x=1
{ x=1 x=2
No solution
Question 4:   Solve: x 2 +2x+1=0
x= 1 2
x=1
{ x 1 =1 x 2 =1
x=1
Question 5:   Solve: x 2 +x6=0
{ x 1 =5 x 2 =2
{ x 1 =3 x 2 =2
{ x 1 =2 x 2 =3
{ x 1 =6 x 2 =2
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