Question

factorise the following expression
4x²_20x+25​

Answer 1

Answer:

$2 {x}^{2} - 20x + {5}^{2} \\ this \: is \: in \: the \: form \: of \:( {a + b})^{2} \\ {a}^{2} + 2ab + {b}^{2} \\ 2 {x}^{2} - 2(2x)(5) + {5}^{2} = ({2x + 5)}^{2}$