Question

$4(x + y) {}^{2} - 1$
Factorise
Please give the answer hand written

Answer 1

Answer:

Hope its helpful for you...✌✌

Answer 2

$\bf \red { \underline{ \underline{solution}}}$

$4 (x + y) {}^{2} - 1$

$2 {}^{2} (x + y) {}^{2} - (1) {}^{2}$

$2(x + y) {}^{2} - (1) {}^{2}$

$2(x + y + 1) \: 2(x + y + - 1)$