Question

4x square +20x+4 Middle term factorise

Answer 1

This question can not be solved by the middle term technique.
It can be solved by factoring 4 out.
Solution explained in the pic below

Answer 2

✌HEY DUDE✌

I think it must be
${4x}^{2} + 10x + 4$
$\\ {4x}^{2} + 8x + 2x + 4 \\ 4(x + 2) + 2(x + 2) \\ (x + 2)(4 + 2)$

❣HOPE IT HELPS!!❣