$${ \left(2x+1 \right) }^{ 2 } - { \left(y+5 \right) }^{ 2 }$$
$\left(2x-y-4\right)\left(2x+y+6\right)$
$$4x^{2}+4x+1-\left(y+5\right)^{2}$$
$$4x^{2}+4x+1-\left(y^{2}+10y+25\right)$$
$$4x^{2}+4x+1-y^{2}-10y-25$$
$$4x^{2}+4x-24-y^{2}-10y$$
Show Solution
Hide Solution
$4x^{2}+4x-y^{2}-10y-24$
