Q1) Factorise $x^2 + 7x -18$. [ $(x + 9)(x -2)$]

Q1) Factorise the following;
$x^2 -196 =$ [ $(x -14)(x + 14)$]

Q1) Factorise the following;
$6 x^2 + 13 x+ 6=$
[ $(2x + 3)(3x + 2)$]

Q2) Factorise $x^2 + 2x -8$. [ $(x + 4)(x -2)$]

Q2) Factorise the following;
$x^2 -121 =$ [ $(x -11)(x + 11)$]

Q2) Factorise the following;
$9 x^2 + 12 x+ 4=$
[ $(3x + 2)(3x + 2)$]

Q3) Factorise $x^2 + 4x -12$. [ $(x + 6)(x -2)$]

Q3) Factorise the following;
$x^2 -36 =$ [ $(x -6)(x + 6)$]

Q3) Factorise the following;
$9 x^2 + 6 x+ 1=$
[ $(3x + 1)(3x + 1)$]

Q4) Factorise $x^2 + 3x -10$. [ $(x + 5)(x -2)$]

Q4) Factorise the following;
$25x^2 -144 =$ [ $(5x + 12)(5x -12)$]

Q4) Factorise the following;
$8 x^2 + 10 x+ 3=$
[ $(2x + 1)(4x + 3)$]

Q5) Factorise $x^2 + x -20$. [ $(x + 5)(x -4)$]

Q5) Factorise the following;
$4x^2 -100 =$ [ $(2x -10)(2x + 10)$]

Q5) Factorise the following;
$8 x^2 + 6 x+ 1=$
[ $(4x + 1)(2x + 1)$]

Q6) Factorise $x^2 + x -6$. [ $(x + 3)(x -2)$]

Q6) Factorise the following;
$x^2 -225 =$ [ $(x -15)(x + 15)$]

Q6) Factorise the following;
$6 x^2 + 7 x+ 2=$
[ $(2x + 1)(3x + 2)$]

Q7) Factorise $x^2 -2x -15$. [ $(x + 3)(x -5)$]

Q7) Factorise the following;
$x^2 -64 =$ [ $(x + 8)(x -8)$]

Q7) Factorise the following;
$6 x^2 + 7 x+ 2=$
[ $(2x + 1)(3x + 2)$]

Q8) Factorise $x^2 -4x -21$. [ $(x + 3)(x -7)$]

Q8) Factorise the following;
$9x^2 -121 =$ [ $(3x -11)(3x + 11)$]

Q8) Factorise the following;
$4 x^2 + 8 x+ 3=$
[ $(2x + 1)(2x + 3)$]

Q9) Factorise $x^2 -3x -10$. [ $(x + 2)(x -5)$]

Q9) Factorise the following;
$x^2 -36 =$ [ $(x + 6)(x -6)$]

Q9) Factorise the following;
$6 x^2 + 13 x+ 6=$
[ $(2x + 3)(3x + 2)$]

Q10) Factorise $x^2 -x -6$. [ $(x + 2)(x -3)$]

Q10) Factorise the following;
$x^2 -144 =$ [ $(x + 12)(x -12)$]

Q10) Factorise the following;
$6 x^2 + 13 x+ 5=$
[ $(2x + 1)(3x + 5)$]