In a quadratic expression, the highest power of \(x\) is \(x^2\). Factorise \(x^2 + 7x + 10\). To factorise this expression, find two numbers that have a product of +10 and a sum of +7.
Use FOIL to remove a pair of brackets then simplify ... There are 4 methods: common factor, difference of two squares, trinomial/quadratic expression and completing the square.
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback