Q1) \(x^2 + 8x + 16\) =0 [
\(x = -4\) or \(x = -4\)]

Q1) \(x^2 + 4x -5\)=0 [
\(x = -5\) or \( 1\)]

Q1) \(9 x^2 + 21x + 10 =0\) [ x = -1\(\frac{2}{3}\) or x =-\(\frac{2}{3}\)]

Q2) \(x^2 + 8x + 15\) =0 [
\(x = -5\) or \(x = -3\)]

Q2) \(x^2 + 6x + 5\)=0 [
\(x = -5\) or \( -1\)]

Q2) \(9 x^2 + 18x + 8 =0\) [ x = -1\(\frac{1}{3}\) or x =-\(\frac{2}{3}\)]

Q3) \(x^2 + 12x + 35\) =0 [
\(x = -5\) or \(x = -7\)]

Q3) \(x^2 + x -2\)=0 [
\(x = 1\) or \( -2\)]

Q3) \(6 x^2 + 23x + 7 =0\) [ x = -3\(\frac{1}{2}\) or x =-\(\frac{1}{3}\)]

Q4) \(x^2 + 6x + 9\) =0 [
\(x = -3\) or \(x = -3\)]

Q4) \(x^2 -4x + 3\)=0 [
\(x = 3\) or \( 1\)]

Q4) \(8 x^2 + 14x + 5 =0\) [ x = -1\(\frac{1}{4}\) or x =-\(\frac{1}{2}\)]

Q5) \(x^2 + 4x + 3\) =0 [
\(x = -3\) or \(x = -1\)]

Q5) \(x^2 + 9x + 20\)=0 [
\(x = -4\) or \( -5\)]

Q5) \(6 x^2 + 11x + 3 =0\) [ x = -1\(\frac{1}{2}\) or x =-\(\frac{1}{3}\)]

Q6) \(x^2 + 18x + 80\) =0 [
\(x = -10\) or \(x = -8\)]

Q6) \(x^2 + 7x + 10\)=0 [
\(x = -5\) or \( -2\)]

Q6) \(8 x^2 + 22x + 9 =0\) [ x = -2\(\frac{1}{4}\) or x =-\(\frac{1}{2}\)]

Q7) \(x^2 + 10x + 21\) =0 [
\(x = -3\) or \(x = -7\)]

Q7) \(x^2 + x -6\)=0 [
\(x = -3\) or \( 2\)]

Q7) \(6 x^2 + 29x + 9 =0\) [ x = -4\(\frac{1}{2}\) or x =-\(\frac{1}{3}\)]

Q8) \(x^2 + 9x + 20\) =0 [
\(x = -4\) or \(x = -5\)]

Q8) \(x^2 -x -6\)=0 [
\(x = 3\) or \( -2\)]

Q8) \(6 x^2 + 17x + 12 =0\) [ x = -1\(\frac{1}{3}\) or x =-1\(\frac{1}{2}\)]

Q9) \(x^2 + 10x + 16\) =0 [
\(x = -2\) or \(x = -8\)]

Q9) \(x^2 -3x + 2\)=0 [
\(x = 2\) or \( 1\)]

Q9) \(6 x^2 + 13x + 5 =0\) [ x = -1\(\frac{2}{3}\) or x =-\(\frac{1}{2}\)]

Q10) \(x^2 + 9x + 8\) =0 [
\(x = -1\) or \(x = -8\)]

Q10) \(x^2 + 4x + 3\)=0 [
\(x = -1\) or \( -3\)]

Q10) \(6 x^2 + 23x + 10 =0\) [ x = -3\(\frac{1}{3}\) or x =-\(\frac{1}{2}\)]