Question

factoriza:
A) 4x² - (y+2)²​

Answer 1

Respuesta:

A)

4x² - (y+2)²​

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

agrupas

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

Explicación paso a paso: