## Difficult

Q1) solve
$y= x^2 +35 x +66$
$y= 20 x +16$
Q1) solve
$y= x^2 +26 x +82$
$y= 9 x +10$
Q1) solve
$y= x^2 -5 x -6$
$y= -7 x -7$
Q2) solve
$y= x^2 +4 x +89$
$y= -13 x +19$
Q2) solve
$y= x^2 +10 x +9$
$y= 6 x +5$
Q2) solve
$y= x^2 +4 x +19$
$y= -5 x +5$
Q3) solve
$y= x^2 +13 x +16$
$y= 7 x +11$
Q3) solve
$y= x^2 +13 x +53$
$y= -2 x +3$
Q3) solve
$y= x^2 +20 x +33$
$y= 7 x -3$
Q4) solve
$y= x^2 +14 x -4$
$y= 9 x -8$
Q4) solve
$y= x^2 +19 x +44$
$y= 5 x -4$
Q4) solve
$y= x^2 -x +3$
$y= -6 x -3$
Q5) solve
$y= x^2 -4 x +32$
$y= -19 x -18$
Q5) solve
$y= x^2 +10 x -2$
$y= 2 x -9$
Q5) solve
$y= x^2 +5 x -1$
$y= 2 x -3$
Q6) solve
$y= x^2 -4 x +22$
$y= -12 x +15$
Q6) solve
$y= x^2 +7 x +11$
$y= -2 x +3$
Q6) solve
$y= x^2 +15 x +50$
$y= 2 x +8$
Q7) solve
$y= x^2 +18 x +20$
$y= 7 x -8$
Q7) solve
$y= x^2 +5 x +59$
$y= -10 x +3$
Q7) solve
$y= x^2 +4 x +5$
$y= -4 x -2$
Q8) solve
$y= x^2 +21x +63$
$y= 3 x -17$
Q8) solve
$y= x^2 +10 x +26$
$y= 2 x +10$
Q8) solve
$y= x^2 +16 x +14$
$y= 5 x -10$
Q9) solve
$y= x^2 -6 x +14$
$y= -12 x +6$
Q9) solve
$y= x^2 +3 x +13$
$y= -3 x +5$
Q9) solve
$y= x^2 +13 x +22$
$y= 4 x +8$
Q10) solve
$y= x^2 -6 x +20$
$y= -13 x +10$
Q10) solve
$y= x^2 +10 x +9$
$y= 5 x +3$
Q10) solve
$y= x^2 +13 x +84$
$y= -6 x -6$