Explanation:
the answer is (2x-y+2) (2x+y-2)
Answer:
(2x-y+2)(2x+y-2)
4x² - y² + 4y - 4=
=(2x)²-(y²-4y+4)
=(2x)²-(y-2)²
= [2x-(y-2)][2x+(y-2)]
=(2x-y+2)(2x+y-2)
a²-b²=(a-b)(a+b)
9.5m questions
12.2m answers