Question

(5 + 2y)(6+2y) - (y + 6) 2 =​

Answer 1

Respuesta:

$4y^2+20y+18$

Explicación paso a paso:

(5 + 2y)(6+2y) - (y + 6) 2

$\left(5+2y\right)\left(6+2y\right)-2\left(y+6\right)\\\\30+22y+4y^2-\left(y+6\right)\cdot \:2\\\\30+22y+4y^2-2y-12\\\\4y^2+20y+18$