Q1) Factorise \(x^2 + 2x -15\). [ \((x + 5)(x -3)\)]

Q1) Factorise the following;
\(x^2 -169 =\) [ \((x + 13)(x -13)\)]

Q1) Factorise the following;
\(8 x^2 + 14 x+ 3= \)
[ \((4x + 1)(2x + 3)\)]

Q2) Factorise \(x^2 -x -6\). [ \((x + 2)(x -3)\)]

Q2) Factorise the following;
\(64x^2 -225 =\) [ \((8x + 15)(8x -15)\)]

Q2) Factorise the following;
\(6 x^2 + 13 x+ 6= \)
[ \((3x + 2)(2x + 3)\)]

Q3) Factorise \(x^2 + 2x -8\). [ \((x + 4)(x -2)\)]

Q3) Factorise the following;
\(25x^2 -16 =\) [ \((5x -4)(5x + 4)\)]

Q3) Factorise the following;
\(9 x^2 + 12 x+ 4= \)
[ \((3x + 2)(3x + 2)\)]

Q4) Factorise \(x^2 -3x -40\). [ \((x + 5)(x -8)\)]

Q4) Factorise the following;
\(64x^2 -9 =\) [ \((8x -3)(8x + 3)\)]

Q4) Factorise the following;
\(6 x^2 + 7 x+ 2= \)
[ \((2x + 1)(3x + 2)\)]

Q5) Factorise \(x^2 -2x -8\). [ \((x + 2)(x -4)\)]

Q5) Factorise the following;
\(4x^2 -225 =\) [ \((2x -15)(2x + 15)\)]

Q5) Factorise the following;
\(6 x^2 + 11x+ 3= \)
[ \((3x + 1)(2x + 3)\)]

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

Q6) Factorise the following;
\(4x^2 -144 =\) [ \((2x + 12)(2x -12)\)]

Q6) Factorise the following;
\(4 x^2 + 8 x+ 3= \)
[ \((2x + 1)(2x + 3)\)]

Q7) Factorise \(x^2 + 3x -10\). [ \((x + 5)(x -2)\)]

Q7) Factorise the following;
\(x^2 -196 =\) [ \((x -14)(x + 14)\)]

Q7) Factorise the following;
\(8 x^2 + 22 x+ 5= \)
[ \((2x + 5)(4x + 1)\)]

Q8) Factorise \(x^2 + x -42\). [ \((x + 7)(x -6)\)]

Q8) Factorise the following;
\(49x^2 -196 =\) [ \((7x + 14)(7x -14)\)]

Q8) Factorise the following;
\(6 x^2 + 17 x+ 5= \)
[ \((3x + 1)(2x + 5)\)]

Q9) Factorise \(x^2 + 5x -36\). [ \((x + 9)(x -4)\)]

Q9) Factorise the following;
\(x^2 -49 =\) [ \((x + 7)(x -7)\)]

Q9) Factorise the following;
\(4 x^2 + 12 x+ 5= \)
[ \((2x + 5)(2x + 1)\)]

Q10) Factorise \(x^2 + 8x -20\). [ \((x + 10)(x -2)\)]

Q10) Factorise the following;
\(x^2 -100 =\) [ \((x -10)(x + 10)\)]

Q10) Factorise the following;
\(8 x^2 + 6 x+ 1= \)
[ \((2x + 1)(4x + 1)\)]