Factorise \({x^3} - {x^2} + x - 1\)
\((x - 1)({x^2} + 1)\)
Factorise \(81{m^2} - 16{n^2}\)
\((9m - 4n)(9m + 4n)\)
Factorise \({y^2} - 16y - 80\)
\((y - 20)(y + 4)\)
Factorise \(5{u^2} + 23u + 12\)
\((u + 4)(5u + 3)\)
Factorise \({{\rm{y}}^3} + 9{y^2} - y - 9\) ?
\((y + 9)(y - 1)(y + 1)\)
Factorise \(24{a^2}bc-72ac\)
\(24ac\left( {ab - 3} \right)\)
Factorise \(64{m^2}-49{n^2}\)
\((8m - 7n)(8m + 7n)\)
Factorise \({x^2}+7x+10\)
\((x + 2)(x + 5)\)
Factorise \(10{x^2}+5x+2xy+y\)
\((2x + 1)(5x + y)\)
Factorise \({x^2}+2xy+5{x^3}+10{x^2}y\)
\(x(x+2y)(5x+1)\)
Factorise \(5x+2y+xy+10\)
\((x + 2)(y + 5)\)
Factorise \({x^3}+4{x^2}+3x\)
\(x\left( {x + 1} \right)\left( {x + 3} \right)\)
Factorise \({x^4}-6{x^2}-27\)
\(\left( {{x^2} + 3} \right)\left( {x - 3} \right)\left( {x + 3} \right)\)
Factorise \(81-{x^4}\)
\(\left( {3 - x} \right)\left( {3 + x} \right)\left( {9 + {x^2}} \right)\)
Factorise \(ab-b+{b^2}-a\)
\((a + b)(b - 1)\)
