Q1) Factorise \(x^2 -x -20\). [ \((x + 4)(x -5)\)]

Q1) Factorise the following;
\(25x^2 -196 =\) [ \((5x + 14)(5x -14)\)]

Q1) Factorise the following;
\(8 x^2 + 10 x+ 3= \)
[ \((4x + 3)(2x + 1)\)]

Q2) Factorise \(x^2 -2x -24\). [ \((x + 4)(x -6)\)]

Q2) Factorise the following;
\(x^2 -25 =\) [ \((x -5)(x + 5)\)]

Q2) Factorise the following;
\(4 x^2 + 8 x+ 3= \)
[ \((2x + 3)(2x + 1)\)]

Q3) Factorise \(x^2 + 3x -18\). [ \((x + 6)(x -3)\)]

Q3) Factorise the following;
\(x^2 -121 =\) [ \((x + 11)(x -11)\)]

Q3) Factorise the following;
\(6 x^2 + 11x+ 3= \)
[ \((3x + 1)(2x + 3)\)]

Q4) Factorise \(x^2 -2x -15\). [ \((x + 3)(x -5)\)]

Q4) Factorise the following;
\(25x^2 -16 =\) [ \((5x -4)(5x + 4)\)]

Q4) Factorise the following;
\(9 x^2 + 12 x+ 4= \)
[ \((3x + 2)(3x + 2)\)]

Q5) Factorise \(x^2 + x -6\). [ \((x + 3)(x -2)\)]

Q5) Factorise the following;
\(4x^2 -9 =\) [ \((2x + 3)(2x -3)\)]

Q5) Factorise the following;
\(6 x^2 + 13 x+ 5= \)
[ \((3x + 5)(2x + 1)\)]

Q6) Factorise \(x^2 + 4x -32\). [ \((x + 8)(x -4)\)]

Q6) Factorise the following;
\(81x^2 -100 =\) [ \((9x + 10)(9x -10)\)]

Q6) Factorise the following;
\(6 x^2 + 17 x+ 5= \)
[ \((2x + 5)(3x + 1)\)]

Q7) Factorise \(x^2 -x -6\). [ \((x + 2)(x -3)\)]

Q7) Factorise the following;
\(x^2 -4 =\) [ \((x -2)(x + 2)\)]

Q7) Factorise the following;
\(9 x^2 + 18 x+ 5= \)
[ \((3x + 1)(3x + 5)\)]

Q8) Factorise \(x^2 -2x -8\). [ \((x + 2)(x -4)\)]

Q8) Factorise the following;
\(x^2 -144 =\) [ \((x + 12)(x -12)\)]

Q8) Factorise the following;
\(9 x^2 + 9 x+ 2= \)
[ \((3x + 1)(3x + 2)\)]

Q9) Factorise \(x^2 + 2x -8\). [ \((x + 4)(x -2)\)]

Q9) Factorise the following;
\(9x^2 -81 =\) [ \((3x + 9)(3x -9)\)]

Q9) Factorise the following;
\(8 x^2 + 14 x+ 5= \)
[ \((4x + 5)(2x + 1)\)]

Q10) Factorise \(x^2 -2x -35\). [ \((x + 5)(x -7)\)]

Q10) Factorise the following;
\(16x^2 -16 =\) [ \((4x -4)(4x + 4)\)]

Q10) Factorise the following;
\(8 x^2 + 14 x+ 3= \)
[ \((4x + 1)(2x + 3)\)]