Solving Quadratic Equations using the formula

## Difficult

Q1) Solve $x^2 + 14x+6$ =0 to 2 dp.
Q1) Solve $x^2 -5x+2=0$ to 2 dp.
Q1) Solve $2x^2 =4x+10$ to 2 dp.
Q2) Solve $x^2 + 6x+6$ =0 to 2 dp.
Q2) Solve $x^2 -2x+6=0$ to 2 dp.
Q2) Solve $3x^2 -5x =6$ to 2 dp.
Q3) Solve $x^2 + 14x-6$ =0 to 2 dp.
Q3) Solve $5x^2 -4x-8=0$ to 2 dp.
Q3) Solve $3x^2 =-2x+2$ to 2 dp.
Q4) Solve $x^2 + 18x+3$ =0 to 2 dp.
Q4) Solve $4x^2 -6x+2=0$ to 2 dp.
Q4) Solve $2x^2 =x+5$ to 2 dp.
Q5) Solve $x^2 + 20x+2$ =0 to 2 dp.
Q5) Solve $4x^2 -6x-4=0$ to 2 dp.
Q5) Solve $5x^2 =5x+5$ to 2 dp.
Q6) Solve $x^2 + 6x-3$ =0 to 2 dp.
Q6) Solve $4x^2 -x-2=0$ to 2 dp.
Q6) Solve $x^2 =x+5$ to 2 dp.
Q7) Solve $x^2 + 16x-3$ =0 to 2 dp.
Q7) Solve $3x^2 -3x-9=0$ to 2 dp.
Q7) Solve $5x^2 + 3x =2$ to 2 dp.
Q8) Solve $x^2 + 6x-8$ =0 to 2 dp.
Q8) Solve $5x^2 -4x-6=0$ to 2 dp.
Q8) Solve $2x^2 + 5x =2$ to 2 dp.
Q9) Solve $x^2 + 6x-4$ =0 to 2 dp.
Q9) Solve $5x^2 -6x-7=0$ to 2 dp.
Q9) Solve $5x^2 =-2x+5$ to 2 dp.
Q10) Solve $x^2 + 18x+4$ =0 to 2 dp.
Q10) Solve $4x^2 -3x-6=0$ to 2 dp.
Q10) Solve $2x^2 + x =4$ to 2 dp.