Q1) Factorise \(x^2 + 19x + 90\). [ \((x + 9)(x + 10)\)]
Q1) Factorise the following;
\(9 x^2 + 9 x+ 2= \)
[ \((3x + 1)(3x + 2)\)]
Q1) Factorise the following;
\(6 x^2 -17 x+ 12= \)
[ \((2x -3)(3x -4)\)]
Q2) Factorise \(x^2 + 15x + 56\). [ \((x + 8)(x + 7)\)]
Q2) Factorise the following;
\(4 x^2 + 8 x+ 3= \)
[ \((2x + 1)(2x + 3)\)]
Q2) Factorise the following;
\(4 x^2 -16 x+ 15= \)
[ \((2x -3)(2x -5)\)]
Q3) Factorise \(x^2 + 10x + 25\). [ \((x + 5)(x + 5)\)]
Q3) Factorise the following;
\(6 x^2 + 13 x+ 6= \)
[ \((2x + 3)(3x + 2)\)]
Q3) Factorise the following;
\(6 x^2 + x-15= \)
[ \((3x + 5)(2x -3)\)]
Q4) Factorise \(x^2 + 8x + 15\). [ \((x + 5)(x + 3)\)]
Q4) Factorise the following;
\(9 x^2 + 15 x+ 4= \)
[ \((3x + 1)(3x + 4)\)]
Q4) Factorise the following;
\(6 x^2 -11x-10= \)
[ \((3x + 2)(2x -5)\)]
Q5) Factorise \(x^2 + 9x + 20\). [ \((x + 5)(x + 4)\)]
Q5) Factorise the following;
\(8 x^2 + 10 x+ 3= \)
[ \((2x + 1)(4x + 3)\)]
Q5) Factorise the following;
\(6 x^2 + 5 x-6= \)
[ \((2x + 3)(3x -2)\)]
Q6) Factorise \(x^2 + 13x + 36\). [ \((x + 4)(x + 9)\)]
Q6) Factorise the following;
\(9 x^2 + 12 x+ 4= \)
[ \((3x + 2)(3x + 2)\)]
Q6) Factorise the following;
\(9 x^2 -18 x+ 8= \)
[ \((3x -2)(3x -4)\)]
Q7) Factorise \(x^2 + 7x + 10\). [ \((x + 5)(x + 2)\)]
Q7) Factorise the following;
\(6 x^2 + 11x+ 4= \)
[ \((2x + 1)(3x + 4)\)]
Q7) Factorise the following;
\(4 x^2 -20 x+ 21= \)
[ \((2x -3)(2x -7)\)]
Q8) Factorise \(x^2 + 11x + 10\). [ \((x + 10)(x + 1)\)]
Q8) Factorise the following;
\(6 x^2 + 7 x+ 2= \)
[ \((2x + 1)(3x + 2)\)]
Q8) Factorise the following;
\(6 x^2 -17 x-14= \)
[ \((3x + 2)(2x -7)\)]
Q9) Factorise \(x^2 + 10x + 16\). [ \((x + 8)(x + 2)\)]
Q9) Factorise the following;
\(9 x^2 + 18 x+ 5= \)
[ \((3x + 1)(3x + 5)\)]
Q9) Factorise the following;
\(9 x^2 + 6 x-8= \)
[ \((3x + 4)(3x -2)\)]
Q10) Factorise \(x^2 + 11x + 18\). [ \((x + 9)(x + 2)\)]
Q10) Factorise the following;
\(4 x^2 + 12 x+ 9= \)
[ \((2x + 3)(2x + 3)\)]
Q10) Factorise the following;
\(6 x^2 + x-12= \)
[ \((2x + 3)(3x -4)\)]